diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 10 | ||||
| -rw-r--r-- | mm/memory-failure.c | 12 | ||||
| -rw-r--r-- | mm/memory.c | 2 | ||||
| -rw-r--r-- | mm/page_alloc.c | 4 | ||||
| -rw-r--r-- | mm/vmalloc.c | 9 |
5 files changed, 25 insertions, 12 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 3eed583..9be3cf8 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3587,9 +3587,13 @@ unlock: static void mem_cgroup_threshold(struct mem_cgroup *memcg) { - __mem_cgroup_threshold(memcg, false); - if (do_swap_account) - __mem_cgroup_threshold(memcg, true); + while (memcg) { + __mem_cgroup_threshold(memcg, false); + if (do_swap_account) + __mem_cgroup_threshold(memcg, true); + + memcg = parent_mem_cgroup(memcg); + } } static int compare_thresholds(const void *a, const void *b) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 9c26eec..757f6b0 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -183,7 +183,7 @@ EXPORT_SYMBOL_GPL(hwpoison_filter); * signal. */ static int kill_proc_ao(struct task_struct *t, unsigned long addr, int trapno, - unsigned long pfn) + unsigned long pfn, struct page *page) { struct siginfo si; int ret; @@ -198,7 +198,7 @@ static int kill_proc_ao(struct task_struct *t, unsigned long addr, int trapno, #ifdef __ARCH_SI_TRAPNO si.si_trapno = trapno; #endif - si.si_addr_lsb = PAGE_SHIFT; + si.si_addr_lsb = compound_order(compound_head(page)) + PAGE_SHIFT; /* * Don't use force here, it's convenient if the signal * can be temporarily blocked. @@ -235,7 +235,7 @@ void shake_page(struct page *p, int access) int nr; do { nr = shrink_slab(1000, GFP_KERNEL, 1000); - if (page_count(p) == 0) + if (page_count(p) == 1) break; } while (nr > 10); } @@ -327,7 +327,7 @@ static void add_to_kill(struct task_struct *tsk, struct page *p, * wrong earlier. */ static void kill_procs_ao(struct list_head *to_kill, int doit, int trapno, - int fail, unsigned long pfn) + int fail, struct page *page, unsigned long pfn) { struct to_kill *tk, *next; @@ -352,7 +352,7 @@ static void kill_procs_ao(struct list_head *to_kill, int doit, int trapno, * process anyways. */ else if (kill_proc_ao(tk->tsk, tk->addr, trapno, - pfn) < 0) + pfn, page) < 0) printk(KERN_ERR "MCE %#lx: Cannot send advisory machine check signal to %s:%d\n", pfn, tk->tsk->comm, tk->tsk->pid); @@ -928,7 +928,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, * any accesses to the poisoned memory. */ kill_procs_ao(&tokill, !!PageDirty(hpage), trapno, - ret != SWAP_SUCCESS, pfn); + ret != SWAP_SUCCESS, p, pfn); return ret; } diff --git a/mm/memory.c b/mm/memory.c index 0e18b4d..98b58fe 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3185,7 +3185,7 @@ static inline int handle_pte_fault(struct mm_struct *mm, * with threads. */ if (flags & FAULT_FLAG_WRITE) - flush_tlb_page(vma, address); + flush_tlb_fix_spurious_fault(vma, address); } unlock: pte_unmap_unlock(pte, ptl); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a8cfa9c..f12ad18 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5182,9 +5182,9 @@ void *__init alloc_large_system_hash(const char *tablename, if (!table) panic("Failed to allocate %s hash table\n", tablename); - printk(KERN_INFO "%s hash table entries: %d (order: %d, %lu bytes)\n", + printk(KERN_INFO "%s hash table entries: %ld (order: %d, %lu bytes)\n", tablename, - (1U << log2qty), + (1UL << log2qty), ilog2(size) - PAGE_SHIFT, size); diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 6b8889d..d8087f0 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -517,6 +517,15 @@ static atomic_t vmap_lazy_nr = ATOMIC_INIT(0); static void purge_fragmented_blocks_allcpus(void); /* + * called before a call to iounmap() if the caller wants vm_area_struct's + * immediately freed. + */ +void set_iounmap_nonlazy(void) +{ + atomic_set(&vmap_lazy_nr, lazy_max_pages()+1); +} + +/* * Purges all lazily-freed vmap areas. * * If sync is 0 then don't purge if there is already a purge in progress. |
