diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/fault.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_low_32.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 32 | ||||
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 15 | ||||
| -rw-r--r-- | arch/powerpc/mm/init_32.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/init_64.c | 52 | ||||
| -rw-r--r-- | arch/powerpc/mm/lmb.c | 16 | ||||
| -rw-r--r-- | arch/powerpc/mm/mem.c | 9 | ||||
| -rw-r--r-- | arch/powerpc/mm/mmap.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/numa.c | 160 | ||||
| -rw-r--r-- | arch/powerpc/mm/slb_low.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/stab.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/tlb_64.c | 2 |
13 files changed, 115 insertions, 187 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index a4815d3..ec4adcb 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -1,6 +1,4 @@ /* - * arch/ppc/mm/fault.c - * * PowerPC version * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) * diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S index 12ccd71..ea469ee 100644 --- a/arch/powerpc/mm/hash_low_32.S +++ b/arch/powerpc/mm/hash_low_32.S @@ -1,6 +1,4 @@ /* - * arch/ppc/kernel/hashtable.S - * * $Id: hashtable.S,v 1.6 1999/10/08 01:56:15 paulus Exp $ * * PowerPC version diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index e9d589e..89b35c1 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -169,7 +169,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend, #ifdef CONFIG_PPC_ISERIES if (_machine == PLATFORM_ISERIES_LPAR) ret = iSeries_hpte_insert(hpteg, va, - __pa(vaddr), + paddr, tmp_mode, HPTE_V_BOLTED, psize); @@ -178,7 +178,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend, #ifdef CONFIG_PPC_PSERIES if (_machine & PLATFORM_LPAR) ret = pSeries_lpar_hpte_insert(hpteg, va, - virt_to_abs(paddr), + paddr, tmp_mode, HPTE_V_BOLTED, psize); @@ -186,7 +186,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend, #endif #ifdef CONFIG_PPC_MULTIPLATFORM ret = native_hpte_insert(hpteg, va, - virt_to_abs(paddr), + paddr, tmp_mode, HPTE_V_BOLTED, psize); #endif @@ -392,7 +392,7 @@ static unsigned long __init htab_get_table_size(void) #ifdef CONFIG_MEMORY_HOTPLUG void create_section_mapping(unsigned long start, unsigned long end) { - BUG_ON(htab_bolt_mapping(start, end, start, + BUG_ON(htab_bolt_mapping(start, end, __pa(start), _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX, mmu_linear_psize)); } @@ -422,7 +422,7 @@ void __init htab_initialize(void) htab_hash_mask = pteg_count - 1; - if (platform_is_lpar()) { + if (firmware_has_feature(FW_FEATURE_LPAR)) { /* Using a hypervisor which owns the htab */ htab_address = NULL; _SDR1 = 0; @@ -431,7 +431,6 @@ void __init htab_initialize(void) * the absolute address space. */ table = lmb_alloc(htab_size_bytes, htab_size_bytes); - BUG_ON(table == 0); DBG("Hash table allocated at %lx, size: %lx\n", table, htab_size_bytes); @@ -474,21 +473,22 @@ void __init htab_initialize(void) if (dart_tablebase != 0 && dart_tablebase >= base && dart_tablebase < (base + size)) { + unsigned long dart_table_end = dart_tablebase + 16 * MB; if (base != dart_tablebase) BUG_ON(htab_bolt_mapping(base, dart_tablebase, - base, mode_rw, - mmu_linear_psize)); - if ((base + size) > (dart_tablebase + 16*MB)) + __pa(base), mode_rw, + mmu_linear_psize)); + if ((base + size) > dart_table_end) BUG_ON(htab_bolt_mapping(dart_tablebase+16*MB, - base + size, - dart_tablebase+16*MB, + base + size, + __pa(dart_table_end), mode_rw, mmu_linear_psize)); continue; } #endif /* CONFIG_U3_DART */ - BUG_ON(htab_bolt_mapping(base, base + size, base, - mode_rw, mmu_linear_psize)); + BUG_ON(htab_bolt_mapping(base, base + size, __pa(base), + mode_rw, mmu_linear_psize)); } /* @@ -505,8 +505,8 @@ void __init htab_initialize(void) if (base + size >= tce_alloc_start) tce_alloc_start = base + size + 1; - BUG_ON(htab_bolt_mapping(tce_alloc_start, tce_alloc_end, - tce_alloc_start, mode_rw, + BUG_ON(htab_bolt_mapping(tce_alloc_start, tce_alloc_end, + __pa(tce_alloc_start), mode_rw, mmu_linear_psize)); } @@ -517,7 +517,7 @@ void __init htab_initialize(void) void htab_initialize_secondary(void) { - if (!platform_is_lpar()) + if (!firmware_has_feature(FW_FEATURE_LPAR)) mtspr(SPRN_SDR1, _SDR1); } diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index b51bb28..7370f9f 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -133,21 +133,6 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, return __pte(old); } -/* - * This function checks for proper alignment of input addr and len parameters. - */ -int is_aligned_hugepage_range(unsigned long addr, unsigned long len) -{ - if (len & ~HPAGE_MASK) - return -EINVAL; - if (addr & ~HPAGE_MASK) - return -EINVAL; - if (! (within_hugepage_low_range(addr, len) - || within_hugepage_high_range(addr, len)) ) - return -EINVAL; - return 0; -} - struct slb_flush_info { struct mm_struct *mm; u16 newareas; diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 7d0d75c..b57fb3a 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -216,7 +216,7 @@ static void free_sec(unsigned long start, unsigned long end, const char *name) while (start < end) { ClearPageReserved(virt_to_page(start)); - set_page_count(virt_to_page(start), 1); + init_page_count(virt_to_page(start)); free_page(start); cnt++; start += PAGE_SIZE; @@ -248,7 +248,7 @@ void free_initrd_mem(unsigned long start, unsigned long end) printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); for (; start < end; start += PAGE_SIZE) { ClearPageReserved(virt_to_page(start)); - set_page_count(virt_to_page(start), 1); + init_page_count(virt_to_page(start)); free_page(start); totalram_pages++; } diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 81cfb0c..babebd1 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -84,54 +84,6 @@ /* max amount of RAM to use */ unsigned long __max_memory; -/* info on what we think the IO hole is */ -unsigned long io_hole_start; -unsigned long io_hole_size; - -/* - * Do very early mm setup. - */ -void __init mm_init_ppc64(void) -{ -#ifndef CONFIG_PPC_ISERIES - unsigned long i; -#endif - - ppc64_boot_msg(0x100, "MM Init"); - - /* This is the story of the IO hole... please, keep seated, - * unfortunately, we are out of oxygen masks at the moment. - * So we need some rough way to tell where your big IO hole - * is. On pmac, it's between 2G and 4G, on POWER3, it's around - * that area as well, on POWER4 we don't have one, etc... - * We need that as a "hint" when sizing the TCE table on POWER3 - * So far, the simplest way that seem work well enough for us it - * to just assume that the first discontinuity in our physical - * RAM layout is the IO hole. That may not be correct in the future - * (and isn't on iSeries but then we don't care ;) - */ - -#ifndef CONFIG_PPC_ISERIES - for (i = 1; i < lmb.memory.cnt; i++) { - unsigned long base, prevbase, prevsize; - - prevbase = lmb.memory.region[i-1].base; - prevsize = lmb.memory.region[i-1].size; - base = lmb.memory.region[i].base; - if (base > (prevbase + prevsize)) { - io_hole_start = prevbase + prevsize; - io_hole_size = base - (prevbase + prevsize); - break; - } - } -#endif /* CONFIG_PPC_ISERIES */ - if (io_hole_start) - printk("IO Hole assumed to be %lx -> %lx\n", - io_hole_start, io_hole_start + io_hole_size - 1); - - ppc64_boot_msg(0x100, "MM Init Done"); -} - void free_initmem(void) { unsigned long addr; @@ -140,7 +92,7 @@ void free_initmem(void) for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) { memset((void *)addr, 0xcc, PAGE_SIZE); ClearPageReserved(virt_to_page(addr)); - set_page_count(virt_to_page(addr), 1); + init_page_count(virt_to_page(addr)); free_page(addr); totalram_pages++; } @@ -155,7 +107,7 @@ void free_initrd_mem(unsigned long start, unsigned long end) printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); for (; start < end; start += PAGE_SIZE) { ClearPageReserved(virt_to_page(start)); - set_page_count(virt_to_page(start), 1); + init_page_count(virt_to_page(start)); free_page(start); totalram_pages++; } diff --git a/arch/powerpc/mm/lmb.c b/arch/powerpc/mm/lmb.c index bbe3eac..417d585 100644 --- a/arch/powerpc/mm/lmb.c +++ b/arch/powerpc/mm/lmb.c @@ -31,6 +31,8 @@ #define DBG(fmt...) #endif +#define LMB_ALLOC_ANYWHERE 0 + struct lmb lmb; void lmb_dump_all(void) @@ -226,6 +228,20 @@ unsigned long __init lmb_alloc(unsigned long size, unsigned long align) unsigned long __init lmb_alloc_base(unsigned long size, unsigned long align, unsigned long max_addr) { + unsigned long alloc; + + alloc = __lmb_alloc_base(size, align, max_addr); + + if (alloc == 0) + panic("ERROR: Failed to allocate 0x%lx bytes below 0x%lx.\n", + size, max_addr); + + return alloc; +} + +unsigned long __init __lmb_alloc_base(unsigned long size, unsigned long align, + unsigned long max_addr) +{ long i, j; unsigned long base = 0; diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 550517c..badac10 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -108,8 +108,8 @@ EXPORT_SYMBOL(phys_mem_access_prot); void online_page(struct page *page) { ClearPageReserved(page); - set_page_count(page, 0); - free_cold_page(page); + init_page_count(page); + __free_page(page); totalram_pages++; num_physpages++; } @@ -125,7 +125,7 @@ int __devinit add_memory(u64 start, u64 size) nid = hot_add_scn_to_nid(start); pgdata = NODE_DATA(nid); - start = __va(start); + start = (unsigned long)__va(start); create_section_mapping(start, start + size); /* this should work for most non-highmem platforms */ @@ -249,7 +249,6 @@ void __init do_init_bootmem(void) bootmap_pages = bootmem_bootmap_pages(total_pages); start = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE); - BUG_ON(!start); boot_mapsize = init_bootmem(start >> PAGE_SHIFT, total_pages); @@ -376,7 +375,7 @@ void __init mem_init(void) struct page *page = pfn_to_page(pfn); ClearPageReserved(page); - set_page_count(page, 1); + init_page_count(page); __free_page(page); totalhigh_pages++; } diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c index fe65f522..972a8e8 100644 --- a/arch/powerpc/mm/mmap.c +++ b/arch/powerpc/mm/mmap.c @@ -1,6 +1,4 @@ /* - * linux/arch/ppc64/mm/mmap.c - * * flexible mmap layout support * * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina. diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 2863a91..e89b22a 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -129,10 +129,12 @@ void __init get_region(unsigned int nid, unsigned long *start_pfn, *start_pfn = 0; } -static inline void map_cpu_to_node(int cpu, int node) +static void __cpuinit map_cpu_to_node(int cpu, int node) { numa_cpu_lookup_table[cpu] = node; + dbg("adding cpu %d to node %d\n", cpu, node); + if (!(cpu_isset(cpu, numa_cpumask_lookup_table[node]))) cpu_set(cpu, numa_cpumask_lookup_table[node]); } @@ -153,7 +155,7 @@ static void unmap_cpu_from_node(unsigned long cpu) } #endif /* CONFIG_HOTPLUG_CPU */ -static struct device_node *find_cpu_node(unsigned int cpu) +static struct device_node * __cpuinit find_cpu_node(unsigned int cpu) { unsigned int hw_cpuid = get_hard_smp_processor_id(cpu); struct device_node *cpu_node = NULL; @@ -189,23 +191,29 @@ static int *of_get_associativity(struct device_node *dev) return (unsigned int *)get_property(dev, "ibm,associativity", NULL); } -static int of_node_numa_domain(struct device_node *device) +/* Returns nid in the range [0..MAX_NUMNODES-1], or -1 if no useful numa + * info is found. + */ +static int of_node_to_nid(struct device_node *device) { - int numa_domain; + int nid = -1; unsigned int *tmp; if (min_common_depth == -1) - return 0; + goto out; tmp = of_get_associativity(device); - if (tmp && (tmp[0] >= min_common_depth)) { - numa_domain = tmp[min_common_depth]; - } else { - dbg("WARNING: no NUMA information for %s\n", - device->full_name); - numa_domain = 0; - } - return numa_domain; + if (!tmp) + goto out; + + if (tmp[0] >= min_common_depth) + nid = tmp[min_common_depth]; + + /* POWER4 LPAR uses 0xffff as invalid node */ + if (nid == 0xffff || nid >= MAX_NUMNODES) + nid = -1; +out: + return nid; } /* @@ -246,8 +254,7 @@ static int __init find_min_common_depth(void) if ((len >= 1) && ref_points) { depth = ref_points[1]; } else { - dbg("WARNING: could not find NUMA " - "associativity reference point\n"); + dbg("NUMA: ibm,associativity-reference-points not found.\n"); depth = -1; } of_node_put(rtas_root); @@ -283,9 +290,9 @@ static unsigned long __devinit read_n_cells(int n, unsigned int **buf) * Figure out to which domain a cpu belongs and stick it there. * Return the id of the domain used. */ -static int numa_setup_cpu(unsigned long lcpu) +static int __cpuinit numa_setup_cpu(unsigned long lcpu) { - int numa_domain = 0; + int nid = 0; struct device_node *cpu = find_cpu_node(lcpu); if (!cpu) { @@ -293,27 +300,16 @@ static int numa_setup_cpu(unsigned long lcpu) goto out; } - numa_domain = of_node_numa_domain(cpu); + nid = of_node_to_nid(cpu); - if (numa_domain >= num_online_nodes()) { - /* - * POWER4 LPAR uses 0xffff as invalid node, - * dont warn in this case. - */ - if (numa_domain != 0xffff) - printk(KERN_ERR "WARNING: cpu %ld " - "maps to invalid NUMA node %d\n", - lcpu, numa_domain); - numa_domain = 0; - } + if (nid < 0 || !node_online(nid)) + nid = any_online_node(NODE_MASK_ALL); out: - node_set_online(numa_domain); - - map_cpu_to_node(lcpu, numa_domain); + map_cpu_to_node(lcpu, nid); of_node_put(cpu); - return numa_domain; + return nid; } static int cpu_numa_callback(struct notifier_block *nfb, @@ -325,10 +321,7 @@ static int cpu_numa_callback(struct notifier_block *nfb, switch (action) { case CPU_UP_PREPARE: - if (min_common_depth == -1 || !numa_enabled) - map_cpu_to_node(lcpu, 0); - else - numa_setup_cpu(lcpu); + numa_setup_cpu(lcpu); ret = NOTIFY_OK; break; #ifdef CONFIG_HOTPLUG_CPU @@ -375,7 +368,7 @@ static int __init parse_numa_properties(void) { struct device_node *cpu = NULL; struct device_node *memory = NULL; - int max_domain; + int default_nid = 0; unsigned long i; if (numa_enabled == 0) { @@ -385,32 +378,32 @@ static int __init parse_numa_properties(void) min_common_depth = find_min_common_depth(); - dbg("NUMA associativity depth for CPU/Memory: %d\n", min_common_depth); if (min_common_depth < 0) return min_common_depth; - max_domain = numa_setup_cpu(boot_cpuid); + dbg("NUMA associativity depth for CPU/Memory: %d\n", min_common_depth); /* - * Even though we connect cpus to numa domains later in SMP init, - * we need to know the maximum node id now. This is because each - * node id must have NODE_DATA etc backing it. - * As a result of hotplug we could still have cpus appear later on - * with larger node ids. In that case we force the cpu into node 0. + * Even though we connect cpus to numa domains later in SMP + * init, we need to know the node ids now. This is because + * each node to be onlined must have NODE_DATA etc backing it. */ - for_each_cpu(i) { - int numa_domain; + for_each_present_cpu(i) { + int nid; cpu = find_cpu_node(i); + BUG_ON(!cpu); + nid = of_node_to_nid(cpu); + of_node_put(cpu); - if (cpu) { - numa_domain = of_node_numa_domain(cpu); - of_node_put(cpu); - - if (numa_domain < MAX_NUMNODES && - max_domain < numa_domain) - max_domain = numa_domain; - } + /* + * Don't fall back to default_nid yet -- we will plug + * cpus into nodes once the memory scan has discovered + * the topology. + */ + if (nid < 0) + continue; + node_set_online(nid); } get_n_mem_cells(&n_mem_addr_cells, &n_mem_size_cells); @@ -418,7 +411,7 @@ static int __init parse_numa_properties(void) while ((memory = of_find_node_by_type(memory, "memory")) != NULL) { unsigned long start; unsigned long size; - int numa_domain; + int nid; int ranges; unsigned int *memcell_buf; unsigned int len; @@ -439,18 +432,15 @@ new_range: start = read_n_cells(n_mem_addr_cells, &memcell_buf); size = read_n_cells(n_mem_size_cells, &memcell_buf); - numa_domain = of_node_numa_domain(memory); - - if (numa_domain >= MAX_NUMNODES) { - if (numa_domain != 0xffff) - printk(KERN_ERR "WARNING: memory at %lx maps " - "to invalid NUMA node %d\n", start, - numa_domain); - numa_domain = 0; - } - - if (max_domain < numa_domain) - max_domain = numa_domain; + /* + * Assumption: either all memory nodes or none will + * have associativity properties. If none, then + * everything goes to default_nid. + */ + nid = of_node_to_nid(memory); + if (nid < 0) + nid = default_nid; + node_set_online(nid); if (!(size = numa_enforce_memory_limit(start, size))) { if (--ranges) @@ -459,16 +449,13 @@ new_range: continue; } - add_region(numa_domain, start >> PAGE_SHIFT, + add_region(nid, start >> PAGE_SHIFT, size >> PAGE_SHIFT); if (--ranges) goto new_range; } - for (i = 0; i <= max_domain; i++) - node_set_online(i); - return 0; } @@ -483,7 +470,6 @@ static void __init setup_nonnuma(void) printk(KERN_INFO "Memory hole size: %ldMB\n", (top_of_ram - total_ram) >> 20); - map_cpu_to_node(boot_cpuid, 0); for (i = 0; i < lmb.memory.cnt; ++i) add_region(0, lmb.memory.region[i].base >> PAGE_SHIFT, lmb_size_pages(&lmb.memory, i)); @@ -570,11 +556,11 @@ static void __init *careful_allocation(int nid, unsigned long size, unsigned long end_pfn) { int new_nid; - unsigned long ret = lmb_alloc_base(size, align, end_pfn << PAGE_SHIFT); + unsigned long ret = __lmb_alloc_base(size, align, end_pfn << PAGE_SHIFT); /* retry over all memory */ if (!ret) - ret = lmb_alloc_base(size, align, lmb_end_of_DRAM()); + ret = __lmb_alloc_base(size, align, lmb_end_of_DRAM()); if (!ret) panic("numa.c: cannot allocate %lu bytes on node %d", @@ -620,6 +606,8 @@ void __init do_init_bootmem(void) dump_numa_memory_topology(); register_cpu_notifier(&ppc64_numa_nb); + cpu_numa_callback(&ppc64_numa_nb, CPU_UP_PREPARE, + (void *)(unsigned long)boot_cpuid); for_each_online_node(nid) { unsigned long start_pfn, end_pfn, pages_present; @@ -767,10 +755,10 @@ int hot_add_scn_to_nid(unsigned long scn_addr) { struct device_node *memory = NULL; nodemask_t nodes; - int numa_domain = 0; + int default_nid = any_online_node(NODE_MASK_ALL); if (!numa_enabled || (min_common_depth < 0)) - return numa_domain; + return default_nid; while ((memory = of_find_node_by_type(memory, "memory")) != NULL) { unsigned long start, size; @@ -787,15 +775,15 @@ int hot_add_scn_to_nid(unsigned long scn_addr) ha_new_range: start = read_n_cells(n_mem_addr_cells, &memcell_buf); size = read_n_cells(n_mem_size_cells, &memcell_buf); - numa_domain = of_node_numa_domain(memory); + nid = of_node_to_nid(memory); /* Domains not present at boot default to 0 */ - if (!node_online(numa_domain)) - numa_domain = any_online_node(NODE_MASK_ALL); + if (nid < 0 || !node_online(nid)) + nid = default_nid; if ((scn_addr >= start) && (scn_addr < (start + size))) { of_node_put(memory); - goto got_numa_domain; + goto got_nid; } if (--ranges) /* process all ranges in cell */ @@ -804,12 +792,12 @@ ha_new_range: BUG(); /* section address should be found above */ /* Temporary code to ensure that returned node is not empty */ -got_numa_domain: +got_nid: nodes_setall(nodes); - while (NODE_DATA(numa_domain)->node_spanned_pages == 0) { - node_clear(numa_domain, nodes); - numa_domain = any_online_node(nodes); + while (NODE_DATA(nid)->node_spanned_pages == 0) { + node_clear(nid, nodes); + nid = any_online_node(nodes); } - return numa_domain; + return nid; } #endif /* CONFIG_MEMORY_HOTPLUG */ diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index d1acee3..abfaabf6 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -1,6 +1,4 @@ /* - * arch/ppc64/mm/slb_low.S - * * Low-level SLB routines * * Copyright (C) 2004 David Gibson <dwg@au.ibm.com>, IBM diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index 82e4951..91d25fb 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -247,10 +247,6 @@ void stabs_alloc(void) newstab = lmb_alloc_base(HW_PAGE_SIZE, HW_PAGE_SIZE, 1<<SID_SHIFT); - if (! newstab) - panic("Unable to allocate segment table for CPU %d.\n", - cpu); - newstab = (unsigned long)__va(newstab); memset((void *)newstab, 0, HW_PAGE_SIZE); diff --git a/arch/powerpc/mm/tlb_64.c b/arch/powerpc/mm/tlb_64.c index bb3afb6..f734b11 100644 --- a/arch/powerpc/mm/tlb_64.c +++ b/arch/powerpc/mm/tlb_64.c @@ -36,7 +36,7 @@ DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch); /* This is declared as we are using the more or less generic - * include/asm-ppc64/tlb.h file -- tgall + * include/asm-powerpc/tlb.h file -- tgall */ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); DEFINE_PER_CPU(struct pte_freelist_batch *, pte_freelist_cur); |
