diff options
Diffstat (limited to 'include')
30 files changed, 331 insertions, 162 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index b183698..a7126d2 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -396,6 +396,28 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm, #define arch_start_context_switch(prev) do {} while (0) #endif +#ifndef CONFIG_HAVE_ARCH_SOFT_DIRTY +static inline int pte_soft_dirty(pte_t pte) +{ + return 0; +} + +static inline int pmd_soft_dirty(pmd_t pmd) +{ + return 0; +} + +static inline pte_t pte_mksoft_dirty(pte_t pte) +{ + return pte; +} + +static inline pmd_t pmd_mksoft_dirty(pmd_t pmd) +{ + return pmd; +} +#endif + #ifndef __HAVE_PFNMAP_TRACKING /* * Interfaces that can be used by architecture code to keep track of diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index c1a1216..f1a24b5 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -3,6 +3,26 @@ /* References to section boundaries */ +/* + * Usage guidelines: + * _text, _data: architecture specific, don't use them in arch-independent code + * [_stext, _etext]: contains .text.* sections, may also contain .rodata.* + * and/or .init.* sections + * [_sdata, _edata]: contains .data.* sections, may also contain .rodata.* + * and/or .init.* sections. + * [__start_rodata, __end_rodata]: contains .rodata.* sections + * [__init_begin, __init_end]: contains .init.* sections, but .init.text.* + * may be out of this range on some architectures. + * [_sinittext, _einittext]: contains .init.text.* sections + * [__bss_start, __bss_stop]: contains BSS sections + * + * Following global variables are optional and may be unavailable on some + * architectures and/or kernel configurations. + * _text, _data + * __kprobes_text_start, __kprobes_text_end + * __entry_text_start, __entry_text_end + * __ctors_start, __ctors_end + */ extern char _text[], _stext[], _etext[]; extern char _data[], _sdata[], _edata[]; extern char __bss_start[], __bss_stop[]; @@ -12,7 +32,6 @@ extern char _end[]; extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; extern char __entry_text_start[], __entry_text_end[]; -extern char __initdata_begin[], __initdata_end[]; extern char __start_rodata[], __end_rodata[]; /* Start and end of .ctors section - used for constructor calls. */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 4f27372..c74d88b 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -275,13 +275,6 @@ VMLINUX_SYMBOL(__end_builtin_fw) = .; \ } \ \ - /* RapidIO route ops */ \ - .rio_ops : AT(ADDR(.rio_ops) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start_rio_switch_ops) = .; \ - *(.rio_switch_ops) \ - VMLINUX_SYMBOL(__end_rio_switch_ops) = .; \ - } \ - \ TRACEDATA \ \ /* Kernel symbol table: Normal symbols */ \ diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h index a1c486a..179b38f 100644 --- a/include/linux/async_tx.h +++ b/include/linux/async_tx.h @@ -182,10 +182,6 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, unsigned int src_offset, size_t len, struct async_submit_ctl *submit); -struct dma_async_tx_descriptor * -async_memset(struct page *dest, int val, unsigned int offset, - size_t len, struct async_submit_ctl *submit); - struct dma_async_tx_descriptor *async_trigger_callback(struct async_submit_ctl *submit); struct dma_async_tx_descriptor * diff --git a/include/linux/backlight.h b/include/linux/backlight.h index da9a082..53b7794 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -114,7 +114,13 @@ static inline void backlight_update_status(struct backlight_device *bd) extern struct backlight_device *backlight_device_register(const char *name, struct device *dev, void *devdata, const struct backlight_ops *ops, const struct backlight_properties *props); +extern struct backlight_device *devm_backlight_device_register( + struct device *dev, const char *name, struct device *parent, + void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props); extern void backlight_device_unregister(struct backlight_device *bd); +extern void devm_backlight_device_unregister(struct device *dev, + struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 5f0b0e1..f1f07d3 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -44,8 +44,8 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat, unsigned long endpfn); extern unsigned long init_bootmem(unsigned long addr, unsigned long memend); -extern unsigned long free_all_bootmem_node(pg_data_t *pgdat); extern unsigned long free_all_bootmem(void); +extern void reset_all_zones_managed_pages(void); extern void free_bootmem_node(pg_data_t *pgdat, unsigned long addr, diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index f5a3b83..91fa9a9 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -139,6 +139,9 @@ BUFFER_FNS(Prio, prio) }) #define page_has_buffers(page) PagePrivate(page) +void buffer_check_dirty_writeback(struct page *page, + bool *dirty, bool *writeback); + /* * Declarations */ diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 96d3e4a..cb286b1 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -66,7 +66,6 @@ enum dma_transaction_type { DMA_PQ, DMA_XOR_VAL, DMA_PQ_VAL, - DMA_MEMSET, DMA_INTERRUPT, DMA_SG, DMA_PRIVATE, @@ -520,7 +519,6 @@ struct dma_tx_state { * @device_prep_dma_xor_val: prepares a xor validation operation * @device_prep_dma_pq: prepares a pq operation * @device_prep_dma_pq_val: prepares a pqzero_sum operation - * @device_prep_dma_memset: prepares a memset operation * @device_prep_dma_interrupt: prepares an end of chain interrupt operation * @device_prep_slave_sg: prepares a slave dma operation * @device_prep_dma_cyclic: prepare a cyclic dma operation suitable for audio. @@ -573,9 +571,6 @@ struct dma_device { struct dma_chan *chan, dma_addr_t *pq, dma_addr_t *src, unsigned int src_cnt, const unsigned char *scf, size_t len, enum sum_check_flags *pqres, unsigned long flags); - struct dma_async_tx_descriptor *(*device_prep_dma_memset)( - struct dma_chan *chan, dma_addr_t dest, int value, size_t len, - unsigned long flags); struct dma_async_tx_descriptor *(*device_prep_dma_interrupt)( struct dma_chan *chan, unsigned long flags); struct dma_async_tx_descriptor *(*device_prep_dma_sg)( diff --git a/include/linux/err.h b/include/linux/err.h index f2edce2..221fcfb 100644 --- a/include/linux/err.h +++ b/include/linux/err.h @@ -24,17 +24,17 @@ static inline void * __must_check ERR_PTR(long error) return (void *) error; } -static inline long __must_check PTR_ERR(const void *ptr) +static inline long __must_check PTR_ERR(__force const void *ptr) { return (long) ptr; } -static inline long __must_check IS_ERR(const void *ptr) +static inline long __must_check IS_ERR(__force const void *ptr) { return IS_ERR_VALUE((unsigned long)ptr); } -static inline long __must_check IS_ERR_OR_NULL(const void *ptr) +static inline long __must_check IS_ERR_OR_NULL(__force const void *ptr) { return !ptr || IS_ERR_VALUE((unsigned long)ptr); } @@ -46,13 +46,13 @@ static inline long __must_check IS_ERR_OR_NULL(const void *ptr) * Explicitly cast an error-valued pointer to another pointer type in such a * way as to make it clear that's what's going on. */ -static inline void * __must_check ERR_CAST(const void *ptr) +static inline void * __must_check ERR_CAST(__force const void *ptr) { /* cast away the const */ return (void *) ptr; } -static inline int __must_check PTR_RET(const void *ptr) +static inline int __must_check PTR_RET(__force const void *ptr) { if (IS_ERR(ptr)) return PTR_ERR(ptr); diff --git a/include/linux/fs.h b/include/linux/fs.h index 2b82c80..99be011 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -380,6 +380,7 @@ struct address_space_operations { int (*launder_page) (struct page *); int (*is_partially_uptodate) (struct page *, read_descriptor_t *, unsigned long); + void (*is_dirty_writeback) (struct page *, bool *, bool *); int (*error_remove_page)(struct address_space *, struct page *); /* swapfile support */ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 89d4fbf..c2b1801 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -55,7 +55,6 @@ void __unmap_hugepage_range_final(struct mmu_gather *tlb, void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long start, unsigned long end, struct page *ref_page); -int hugetlb_prefault(struct address_space *, struct vm_area_struct *); void hugetlb_report_meminfo(struct seq_file *); int hugetlb_report_node_meminfo(int, char *); void hugetlb_show_meminfo(void); @@ -114,7 +113,6 @@ static inline unsigned long hugetlb_total_pages(void) #define follow_hugetlb_page(m,v,p,vs,a,b,i,w) ({ BUG(); 0; }) #define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL) #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; }) -#define hugetlb_prefault(mapping, vma) ({ BUG(); 0; }) static inline void hugetlb_report_meminfo(struct seq_file *m) { } diff --git a/include/linux/lcd.h b/include/linux/lcd.h index e00c3b0..504f624 100644 --- a/include/linux/lcd.h +++ b/include/linux/lcd.h @@ -112,7 +112,12 @@ static inline void lcd_set_power(struct lcd_device *ld, int power) extern struct lcd_device *lcd_device_register(const char *name, struct device *parent, void *devdata, struct lcd_ops *ops); +extern struct lcd_device *devm_lcd_device_register(struct device *dev, + const char *name, struct device *parent, + void *devdata, struct lcd_ops *ops); extern void lcd_device_unregister(struct lcd_device *ld); +extern void devm_lcd_device_unregister(struct device *dev, + struct lcd_device *ld); #define to_lcd_device(obj) container_of(obj, struct lcd_device, dev) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index d6183f0..7b4d9d7 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -77,7 +77,8 @@ extern void mem_cgroup_uncharge_cache_page(struct page *page); bool __mem_cgroup_same_or_subtree(const struct mem_cgroup *root_memcg, struct mem_cgroup *memcg); -int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *memcg); +bool task_in_mem_cgroup(struct task_struct *task, + const struct mem_cgroup *memcg); extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page); extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p); @@ -273,10 +274,10 @@ static inline bool mm_match_cgroup(struct mm_struct *mm, return true; } -static inline int task_in_mem_cgroup(struct task_struct *task, - const struct mem_cgroup *memcg) +static inline bool task_in_mem_cgroup(struct task_struct *task, + const struct mem_cgroup *memcg) { - return 1; + return true; } static inline struct cgroup_subsys_state diff --git a/include/linux/mm.h b/include/linux/mm.h index 66d881f..b87681a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -25,11 +25,17 @@ struct file_ra_state; struct user_struct; struct writeback_control; -#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */ +#ifndef CONFIG_NEED_MULTIPLE_NODES /* Don't use mapnrs, do it properly */ extern unsigned long max_mapnr; + +static inline void set_max_mapnr(unsigned long limit) +{ + max_mapnr = limit; +} +#else +static inline void set_max_mapnr(unsigned long limit) { } #endif -extern unsigned long num_physpages; extern unsigned long totalram_pages; extern void * high_memory; extern int page_cluster; @@ -52,6 +58,9 @@ extern unsigned long sysctl_admin_reserve_kbytes; /* to align the pointer to the (next) page boundary */ #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) +/* test whether an address (unsigned long or pointer) is aligned to PAGE_SIZE */ +#define PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)addr, PAGE_SIZE) + /* * Linux kernel virtual memory manager primitives. * The idea being to have a "virtual" mm in the same way @@ -1305,11 +1314,12 @@ extern void free_initmem(void); /* * Free reserved pages within range [PAGE_ALIGN(start), end & PAGE_MASK) * into the buddy system. The freed pages will be poisoned with pattern - * "poison" if it's non-zero. + * "poison" if it's within range [0, UCHAR_MAX]. * Return pages freed into the buddy system. */ -extern unsigned long free_reserved_area(unsigned long start, unsigned long end, +extern unsigned long free_reserved_area(void *start, void *end, int poison, char *s); + #ifdef CONFIG_HIGHMEM /* * Free a highmem page into the buddy system, adjusting totalhigh_pages @@ -1318,10 +1328,8 @@ extern unsigned long free_reserved_area(unsigned long start, unsigned long end, extern void free_highmem_page(struct page *page); #endif -static inline void adjust_managed_page_count(struct page *page, long count) -{ - totalram_pages += count; -} +extern void adjust_managed_page_count(struct page *page, long count); +extern void mem_init_print_info(const char *str); /* Free the reserved page into the buddy system, so it gets managed. */ static inline void __free_reserved_page(struct page *page) @@ -1345,18 +1353,29 @@ static inline void mark_page_reserved(struct page *page) /* * Default method to free all the __init memory into the buddy system. - * The freed pages will be poisoned with pattern "poison" if it is - * non-zero. Return pages freed into the buddy system. + * The freed pages will be poisoned with pattern "poison" if it's within + * range [0, UCHAR_MAX]. + * Return pages freed into the buddy system. */ static inline unsigned long free_initmem_default(int poison) { extern char __init_begin[], __init_end[]; - return free_reserved_area(PAGE_ALIGN((unsigned long)&__init_begin) , - ((unsigned long)&__init_end) & PAGE_MASK, + return free_reserved_area(&__init_begin, &__init_end, poison, "unused kernel"); } +static inline unsigned long get_num_physpages(void) +{ + int nid; + unsigned long phys_pages = 0; + + for_each_online_node(nid) + phys_pages += node_present_pages(nid); + + return phys_pages; +} + #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP /* * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its diff --git a/include/linux/mman.h b/include/linux/mman.h index 9aa863d..92dc257 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -11,11 +11,17 @@ extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; extern struct percpu_counter vm_committed_as; +#ifdef CONFIG_SMP +extern s32 vm_committed_as_batch; +#else +#define vm_committed_as_batch 0 +#endif + unsigned long vm_memory_committed(void); static inline void vm_acct_memory(long pages) { - percpu_counter_add(&vm_committed_as, pages); + __percpu_counter_add(&vm_committed_as, pages, vm_committed_as_batch); } static inline void vm_unacct_memory(long pages) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 5c76737..ae19af5 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -474,10 +474,16 @@ struct zone { * frequently read in proximity to zone->lock. It's good to * give them a chance of being in the same cacheline. * - * Write access to present_pages and managed_pages at runtime should - * be protected by lock_memory_hotplug()/unlock_memory_hotplug(). - * Any reader who can't tolerant drift of present_pages and - * managed_pages should hold memory hotplug lock to get a stable value. + * Write access to present_pages at runtime should be protected by + * lock_memory_hotplug()/unlock_memory_hotplug(). Any reader who can't + * tolerant drift of present_pages should hold memory hotplug lock to + * get a stable value. + * + * Read access to managed_pages should be safe because it's unsigned + * long. Write access to zone->managed_pages and totalram_pages are + * protected by managed_page_count_lock at runtime. Idealy only + * adjust_managed_page_count() should be used instead of directly + * touching zone->managed_pages and totalram_pages. */ unsigned long spanned_pages; unsigned long present_pages; @@ -495,6 +501,13 @@ typedef enum { ZONE_CONGESTED, /* zone has many dirty pages backed by * a congested BDI */ + ZONE_TAIL_LRU_DIRTY, /* reclaim scanning has recently found + * many dirty file pages at the tail + * of the LRU. + */ + ZONE_WRITEBACK, /* reclaim scanning has recently found + * many pages under writeback + */ } zone_flags_t; static inline void zone_set_flag(struct zone *zone, zone_flags_t flag) @@ -517,6 +530,16 @@ static inline int zone_is_reclaim_congested(const struct zone *zone) return test_bit(ZONE_CONGESTED, &zone->flags); } +static inline int zone_is_reclaim_dirty(const struct zone *zone) +{ + return test_bit(ZONE_TAIL_LRU_DIRTY, &zone->flags); +} + +static inline int zone_is_reclaim_writeback(const struct zone *zone) +{ + return test_bit(ZONE_WRITEBACK, &zone->flags); +} + static inline int zone_is_reclaim_locked(const struct zone *zone) { return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags); @@ -716,7 +739,10 @@ typedef struct pglist_data { * or node_spanned_pages stay constant. Holding this will also * guarantee that any pfn_valid() stays that way. * - * Nests above zone->lock and zone->size_seqlock. + * pgdat_resize_lock() and pgdat_resize_unlock() are provided to + * manipulate node_size_lock without checking for CONFIG_MEMORY_HOTPLUG. + * + * Nests above zone->lock and zone->span_seqlock */ spinlock_t node_size_lock; #endif @@ -1111,6 +1137,10 @@ struct mem_section { struct page_cgroup *page_cgroup; unsigned long pad; #endif + /* + * WARNING: mem_section must be a power-of-2 in size for the + * calculation and use of SECTION_ROOT_MASK to make sense. + */ }; #ifdef CONFIG_SPARSEMEM_EXTREME diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index b508016..b62d4af 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -456,7 +456,8 @@ enum dmi_field { }; struct dmi_strmatch { - unsigned char slot; + unsigned char slot:7; + unsigned char exact_match:1; char substr[79]; }; @@ -474,7 +475,8 @@ struct dmi_system_id { */ #define dmi_device_id dmi_system_id -#define DMI_MATCH(a, b) { a, b } +#define DMI_MATCH(a, b) { .slot = a, .substr = b } +#define DMI_EXACT_MATCH(a, b) { .slot = a, .substr = b, .exact_match = 1 } #define PLATFORM_NAME_SIZE 20 #define PLATFORM_MODULE_PREFIX "platform:" @@ -577,4 +579,23 @@ struct mei_cl_device_id { kernel_ulong_t driver_info; }; +/* RapidIO */ + +#define RIO_ANY_ID 0xffff + +/** + * struct rio_device_id - RIO device identifier + * @did: RapidIO device ID + * @vid: RapidIO vendor ID + * @asm_did: RapidIO assembly device ID + * @asm_vid: RapidIO assembly vendor ID + * + * Identifies a RapidIO device based on both the device/vendor IDs and + * the assembly device/vendor IDs. + */ +struct rio_device_id { + __u16 did, vid; + __u16 asm_did, asm_vid; +}; + #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/include/linux/nbd.h b/include/linux/nbd.h index 4871170..ae4981e 100644 --- a/include/linux/nbd.h +++ b/include/linux/nbd.h @@ -41,6 +41,7 @@ struct nbd_device { u64 bytesize; pid_t pid; /* pid of nbd-client, if attached */ int xmit_timeout; + int disconnect; /* a disconnect has been requested by user */ }; #endif diff --git a/include/linux/pageblock-flags.h b/include/linux/pageblock-flags.h index be655e4..2ee8cd2 100644 --- a/include/linux/pageblock-flags.h +++ b/include/linux/pageblock-flags.h @@ -80,10 +80,4 @@ void set_pageblock_flags_group(struct page *page, unsigned long flags, PB_migrate_skip) #endif /* CONFIG_COMPACTION */ -#define get_pageblock_flags(page) \ - get_pageblock_flags_group(page, 0, PB_migrate_end) -#define set_pageblock_flags(page, flags) \ - set_pageblock_flags_group(page, flags, \ - 0, PB_migrate_end) - #endif /* PAGEBLOCK_FLAGS_H */ diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h index 2aa12b8..e4dbfab 100644 --- a/include/linux/pagevec.h +++ b/include/linux/pagevec.h @@ -21,7 +21,7 @@ struct pagevec { }; void __pagevec_release(struct pagevec *pvec); -void __pagevec_lru_add(struct pagevec *pvec, enum lru_list lru); +void __pagevec_lru_add(struct pagevec *pvec); unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping, pgoff_t start, unsigned nr_pages); unsigned pagevec_lookup_tag(struct pagevec *pvec, @@ -64,36 +64,4 @@ static inline void pagevec_release(struct pagevec *pvec) __pagevec_release(pvec); } -static inline void __pagevec_lru_add_anon(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_INACTIVE_ANON); -} - -static inline void __pagevec_lru_add_active_anon(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_ACTIVE_ANON); -} - -static inline void __pagevec_lru_add_file(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_INACTIVE_FILE); -} - -static inline void __pagevec_lru_add_active_file(struct pagevec *pvec) -{ - __pagevec_lru_add(pvec, LRU_ACTIVE_FILE); -} - -static inline void pagevec_lru_add_file(struct pagevec *pvec) -{ - if (pagevec_count(pvec)) - __pagevec_lru_add_file(pvec); -} - -static inline void pagevec_lru_add_anon(struct pagevec *pvec) -{ - if (pagevec_count(pvec)) - __pagevec_lru_add_anon(pvec); -} - #endif /* _LINUX_PAGEVEC_H */ diff --git a/include/linux/pid.h b/include/linux/pid.h index a089a3c..23705a5 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -86,11 +86,9 @@ extern struct task_struct *get_pid_task(struct pid *pid, enum pid_type); extern struct pid *get_task_pid(struct task_struct *task, enum pid_type type); /* - * attach_pid() and detach_pid() must be called with the tasklist_lock - * write-held. + * these helpers must be called with the tasklist_lock write-held. */ -extern void attach_pid(struct task_struct *task, enum pid_type type, - struct pid *pid); +extern void attach_pid(struct task_struct *task, enum pid_type); extern void detach_pid(struct task_struct *task, enum pid_type); extern void change_pid(struct task_struct *task, enum pid_type, struct pid *pid); diff --git a/include/linux/rio.h b/include/linux/rio.h index 18e0993..b71d573 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -20,6 +20,7 @@ #include <linux/errno.h> #include <linux/device.h> #include <linux/rio_regs.h> +#include <linux/mod_devicetable.h> #ifdef CONFIG_RAPIDIO_DMA_ENGINE #include <linux/dmaengine.h> #endif @@ -91,9 +92,24 @@ union rio_pw_msg; /** * struct rio_switch - RIO switch info * @node: Node in global list of switches - * @switchid: Switch ID that is unique across a network * @route_table: Copy of switch routing table * @port_ok: Status of each port (one bit per port) - OK=1 or UNINIT=0 + * @ops: pointer to switch-specific operations + * @lock: lock to serialize operations updates + * @nextdev: Array of per-port pointers to the next attached device + */ +struct rio_switch { + struct list_head node; + u8 *route_table; + u32 port_ok; + struct rio_switch_ops *ops; + spinlock_t lock; + struct rio_dev *nextdev[0]; +}; + +/** + * struct rio_switch_ops - Per-switch operations + * @owner: The module owner of this structure * @add_entry: Callback for switch-specific route add function * @get_entry: Callback for switch-specific route get function * @clr_table: Callback for switch-specific clear route table function @@ -101,14 +117,12 @@ union rio_pw_msg; * @get_domain: Callback for switch-specific domain get function * @em_init: Callback for switch-specific error management init function * @em_handle: Callback for switch-specific error management handler function - * @sw_sysfs: Callback that initializes switch-specific sysfs attributes - * @nextdev: Array of per-port pointers to the next attached device + * + * Defines the operations that are necessary to initialize/control + * a particular RIO switch device. */ -struct rio_switch { - struct list_head node; - u16 switchid; - u8 *route_table; - u32 port_ok; +struct rio_switch_ops { + struct module *owner; int (*add_entry) (struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port); int (*get_entry) (struct rio_mport *mport, u16 destid, u8 hopcount, @@ -121,8 +135,6 @@ struct rio_switch { u8 *sw_domain); int (*em_init) (struct rio_dev *dev); int (*em_handle) (struct rio_dev *dev, u8 swport); - int (*sw_sysfs) (struct rio_dev *dev, int create); - struct rio_dev *nextdev[0]; }; /** @@ -130,6 +142,7 @@ struct rio_switch { * @global_list: Node in list of all RIO devices * @net_list: Node in list of RIO devices in a network * @net: Network this device is a part of + * @do_enum: Enumeration flag * @did: Device ID * @vid: Vendor ID * @device_rev: Device revision @@ -158,6 +171,7 @@ struct rio_dev { struct list_head global_list; /* node in list of all RIO devices */ struct list_head net_list; /* node in per net list */ struct rio_net *net; /* RIO net this device resides in */ + bool do_enum; u16 did; u16 vid; u32 device_rev; @@ -297,10 +311,6 @@ struct rio_net { struct rio_id_table destid_table; /* destID allocation table */ }; -/* Definitions used by switch sysfs initialization callback */ -#define RIO_SW_SYSFS_CREATE 1 /* Create switch attributes */ -#define RIO_SW_SYSFS_REMOVE 0 /* Remove switch attributes */ - /* Low-level architecture-dependent routines */ /** @@ -385,35 +395,6 @@ struct rio_driver { #define to_rio_driver(drv) container_of(drv,struct rio_driver, driver) -/** - * struct rio_device_id - RIO device identifier - * @did: RIO device ID - * @vid: RIO vendor ID - * @asm_did: RIO assembly device ID - * @asm_vid: RIO assembly vendor ID - * - * Identifies a RIO device based on both the device/vendor IDs and - * the assembly device/vendor IDs. - */ -struct rio_device_id { - u16 did, vid; - u16 asm_did, asm_vid; -}; - -/** - * struct rio_switch_ops - Per-switch operations - * @vid: RIO vendor ID - * @did: RIO device ID - * @init_hook: Callback that performs switch device initialization - * - * Defines the operations that are necessary to initialize/control - * a particular RIO switch device. - */ -struct rio_switch_ops { - u16 vid, did; - int (*init_hook) (struct rio_dev *rdev, int do_enum); -}; - union rio_pw_msg { struct { u32 comptag; /* Component Tag CSR */ @@ -468,14 +449,29 @@ static inline struct rio_mport *dma_to_mport(struct dma_device *ddev) /** * struct rio_scan - RIO enumeration and discovery operations + * @owner: The module owner of this structure * @enumerate: Callback to perform RapidIO fabric enumeration. * @discover: Callback to perform RapidIO fabric discovery. */ struct rio_scan { + struct module *owner; int (*enumerate)(struct rio_mport *mport, u32 flags); int (*discover)(struct rio_mport *mport, u32 flags); }; +/** + * struct rio_scan_node - list node to register RapidIO enumeration and + * discovery methods with RapidIO core. + * @mport_id: ID of an mport (net) serviced by this enumerator + * @node: node in global list of registered enumerators + * @ops: RIO enumeration and discovery operations + */ +struct rio_scan_node { + int mport_id; + struct list_head node; + struct rio_scan *ops; +}; + /* Architecture and hardware-specific functions */ extern int rio_register_mport(struct rio_mport *); extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int); diff --git a/include/linux/rio_ids.h b/include/linux/rio_ids.h index b66d13d..2543bc1 100644 --- a/include/linux/rio_ids.h +++ b/include/linux/rio_ids.h @@ -13,8 +13,6 @@ #ifndef LINUX_RIO_IDS_H #define LINUX_RIO_IDS_H -#define RIO_ANY_ID 0xffff - #define RIO_VID_FREESCALE 0x0002 #define RIO_DID_MPC8560 0x0003 diff --git a/include/linux/sched.h b/include/linux/sched.h index ec80684..cdd5407 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1950,8 +1950,6 @@ extern struct task_struct *find_task_by_vpid(pid_t nr); extern struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns); -extern void __set_special_pids(struct pid *pid); - /* per-UID process charging. */ extern struct user_struct * alloc_uid(kuid_t); static inline struct user_struct *get_uid(struct user_struct *u) diff --git a/include/linux/smp.h b/include/linux/smp.h index c848876..c181399 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -11,7 +11,6 @@ #include <linux/list.h> #include <linux/cpumask.h> #include <linux/init.h> -#include <linux/irqflags.h> extern void cpu_idle(void); @@ -140,17 +139,14 @@ static inline int up_smp_call_function(smp_call_func_t func, void *info) } #define smp_call_function(func, info, wait) \ (up_smp_call_function(func, info)) - -static inline int on_each_cpu(smp_call_func_t func, void *info, int wait) -{ - unsigned long flags; - - local_irq_save(flags); - func(info); - local_irq_restore(flags); - return 0; -} - +#define on_each_cpu(func, info, wait) \ + ({ \ + unsigned long __flags; \ + local_irq_save(__flags); \ + func(info); \ + local_irq_restore(__flags); \ + 0; \ + }) /* * Note we still need to test the mask even for UP * because we actually can get an empty mask from diff --git a/include/linux/swap.h b/include/linux/swap.h index 1701ce4..d95cde5 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -10,6 +10,7 @@ #include <linux/node.h> #include <linux/fs.h> #include <linux/atomic.h> +#include <linux/page-flags.h> #include <asm/page.h> struct notifier_block; @@ -19,10 +20,13 @@ struct bio; #define SWAP_FLAG_PREFER 0x8000 /* set if swap priority specified */ #define SWAP_FLAG_PRIO_MASK 0x7fff #define SWAP_FLAG_PRIO_SHIFT 0 -#define SWAP_FLAG_DISCARD 0x10000 /* discard swap cluster after use */ +#define SWAP_FLAG_DISCARD 0x10000 /* enable discard for swap */ +#define SWAP_FLAG_DISCARD_ONCE 0x20000 /* discard swap area at swapon-time */ +#define SWAP_FLAG_DISCARD_PAGES 0x40000 /* discard page-clusters after use */ #define SWAP_FLAGS_VALID (SWAP_FLAG_PRIO_MASK | SWAP_FLAG_PREFER | \ - SWAP_FLAG_DISCARD) + SWAP_FLAG_DISCARD | SWAP_FLAG_DISCARD_ONCE | \ + SWAP_FLAG_DISCARD_PAGES) static inline int current_is_kswapd(void) { @@ -146,14 +150,16 @@ struct swap_extent { enum { SWP_USED = (1 << 0), /* is slot in swap_info[] used? */ SWP_WRITEOK = (1 << 1), /* ok to write to this swap? */ - SWP_DISCARDABLE = (1 << 2), /* swapon+blkdev support discard */ + SWP_DISCARDABLE = (1 << 2), /* blkdev support discard */ SWP_DISCARDING = (1 << 3), /* now discarding a free cluster */ SWP_SOLIDSTATE = (1 << 4), /* blkdev seeks are cheap */ SWP_CONTINUED = (1 << 5), /* swap_map has count continuation */ SWP_BLKDEV = (1 << 6), /* its a block device */ SWP_FILE = (1 << 7), /* set after swap_activate success */ + SWP_AREA_DISCARD = (1 << 8), /* single-time swap area discards */ + SWP_PAGE_DISCARD = (1 << 9), /* freed swap page-cluster discards */ /* add others here before... */ - SWP_SCANNING = (1 << 8), /* refcount in scan_swap_map */ + SWP_SCANNING = (1 << 10), /* refcount in scan_swap_map */ }; #define SWAP_CLUSTER_MAX 32UL @@ -233,8 +239,8 @@ extern unsigned long nr_free_pagecache_pages(void); /* linux/mm/swap.c */ -extern void __lru_cache_add(struct page *, enum lru_list lru); -extern void lru_cache_add_lru(struct page *, enum lru_list lru); +extern void __lru_cache_add(struct page *); +extern void lru_cache_add(struct page *); extern void lru_add_page_tail(struct page *page, struct page *page_tail, struct lruvec *lruvec, struct list_head *head); extern void activate_page(struct page *); @@ -254,12 +260,14 @@ extern void add_page_to_unevictable_list(struct page *page); */ static inline void lru_cache_add_anon(struct page *page) { - __lru_cache_add(page, LRU_INACTIVE_ANON); + ClearPageActive(page); + __lru_cache_add(page); } static inline void lru_cache_add_file(struct page *page) { - __lru_cache_add(page, LRU_INACTIVE_FILE); + ClearPageActive(page); + __lru_cache_add(page); } /* linux/mm/vmscan.c */ diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 7d5773a..dd0a2c8 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -82,6 +82,10 @@ extern void *vmap(struct page **pages, unsigned int count, unsigned long flags, pgprot_t prot); extern void vunmap(const void *addr); +extern int remap_vmalloc_range_partial(struct vm_area_struct *vma, + unsigned long uaddr, void *kaddr, + unsigned long size); + extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, unsigned long pgoff); void vmalloc_sync_all(void); diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index a9f4119..a0ed78a 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -445,11 +445,12 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | (flags), 1, ##args) #define create_workqueue(name) \ - alloc_workqueue((name), WQ_MEM_RECLAIM, 1) + alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, (name)) #define create_freezable_workqueue(name) \ - alloc_workqueue((name), WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1) + alloc_workqueue("%s", WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, \ + 1, (name)) #define create_singlethread_workqueue(name) \ - alloc_workqueue((name), WQ_UNBOUND | WQ_MEM_RECLAIM, 1) + alloc_workqueue("%s", WQ_UNBOUND | WQ_MEM_RECLAIM, 1, (name)) extern void destroy_workqueue(struct workqueue_struct *wq); diff --git a/include/trace/events/pagemap.h b/include/trace/events/pagemap.h new file mode 100644 index 0000000..1c9fabd --- /dev/null +++ b/include/trace/events/pagemap.h @@ -0,0 +1,89 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM pagemap + +#if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_PAGEMAP_H + +#include <linux/tracepoint.h> +#include <linux/mm.h> + +#define PAGEMAP_MAPPED 0x0001u +#define PAGEMAP_ANONYMOUS 0x0002u +#define PAGEMAP_FILE 0x0004u +#define PAGEMAP_SWAPCACHE 0x0008u +#define PAGEMAP_SWAPBACKED 0x0010u +#define PAGEMAP_MAPPEDDISK 0x0020u +#define PAGEMAP_BUFFERS 0x0040u + +#define trace_pagemap_flags(page) ( \ + (PageAnon(page) ? PAGEMAP_ANONYMOUS : PAGEMAP_FILE) | \ + (page_mapped(page) ? PAGEMAP_MAPPED : 0) | \ + (PageSwapCache(page) ? PAGEMAP_SWAPCACHE : 0) | \ + (PageSwapBacked(page) ? PAGEMAP_SWAPBACKED : 0) | \ + (PageMappedToDisk(page) ? PAGEMAP_MAPPEDDISK : 0) | \ + (page_has_private(page) ? PAGEMAP_BUFFERS : 0) \ + ) + +TRACE_EVENT(mm_lru_insertion, + + TP_PROTO( + struct page *page, + unsigned long pfn, + int lru, + unsigned long flags + ), + + TP_ARGS(page, pfn, lru, flags), + + TP_STRUCT__entry( + __field(struct page *, page ) + __field(unsigned long, pfn ) + __field(int, lru ) + __field(unsigned long, flags ) + ), + + TP_fast_assign( + __entry->page = page; + __entry->pfn = pfn; + __entry->lru = lru; + __entry->flags = flags; + ), + + /* Flag format is based on page-types.c formatting for pagemap */ + TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s", + __entry->page, + __entry->pfn, + __entry->lru, + __entry->flags & PAGEMAP_MAPPED ? "M" : " ", + __entry->flags & PAGEMAP_ANONYMOUS ? "a" : "f", + __entry->flags & PAGEMAP_SWAPCACHE ? "s" : " ", + __entry->flags & PAGEMAP_SWAPBACKED ? "b" : " ", + __entry->flags & PAGEMAP_MAPPEDDISK ? "d" : " ", + __entry->flags & PAGEMAP_BUFFERS ? "B" : " ") +); + +TRACE_EVENT(mm_lru_activate, + + TP_PROTO(struct page *page, unsigned long pfn), + + TP_ARGS(page, pfn), + + TP_STRUCT__entry( + __field(struct page *, page ) + __field(unsigned long, pfn ) + ), + + TP_fast_assign( + __entry->page = page; + __entry->pfn = pfn; + ), + + /* Flag format is based on page-types.c formatting for pagemap */ + TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn) + +); + +#endif /* _TRACE_PAGEMAP_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/uapi/linux/ptrace.h b/include/uapi/linux/ptrace.h index 52ebcc8..cf1019e 100644 --- a/include/uapi/linux/ptrace.h +++ b/include/uapi/linux/ptrace.h @@ -61,6 +61,9 @@ struct ptrace_peeksiginfo_args { __s32 nr; /* how may siginfos to take */ }; +#define PTRACE_GETSIGMASK 0x420a +#define PTRACE_SETSIGMASK 0x420b + /* Read signals from a shared (process wide) queue */ #define PTRACE_PEEKSIGINFO_SHARED (1 << 0) |
