diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/mm/slab.c b/mm/slab.c index d96e223de775..95947400702b 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -574,7 +574,9 @@ static struct arraycache_init initarray_generic = { {0, BOOT_CPUCACHE_ENTRIES, 1, 0} }; /* internal cache of cache description objs */ +static struct kmem_list3 *cache_cache_nodelists[MAX_NUMNODES]; static struct kmem_cache cache_cache = { + .nodelists = cache_cache_nodelists, .batchcount = 1, .limit = BOOT_CPUCACHE_ENTRIES, .shared = 1, @@ -1492,11 +1494,10 @@ void __init kmem_cache_init(void) cache_cache.nodelists[node] = &initkmem_list3[CACHE_CACHE + node]; /* - * struct kmem_cache size depends on nr_node_ids, which - * can be less than MAX_NUMNODES. + * struct kmem_cache size depends on nr_node_ids & nr_cpu_ids */ - cache_cache.buffer_size = offsetof(struct kmem_cache, nodelists) + - nr_node_ids * sizeof(struct kmem_list3 *); + cache_cache.buffer_size = offsetof(struct kmem_cache, array[nr_cpu_ids]) + + nr_node_ids * sizeof(struct kmem_list3 *); #if DEBUG cache_cache.obj_size = cache_cache.buffer_size; #endif @@ -2308,6 +2309,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, if (!cachep) goto oops; + cachep->nodelists = (struct kmem_list3 **)&cachep->array[nr_cpu_ids]; #if DEBUG cachep->obj_size = size; @@ -3153,12 +3155,11 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, objp += obj_offset(cachep); if (cachep->ctor && cachep->flags & SLAB_POISON) cachep->ctor(objp); -#if ARCH_SLAB_MINALIGN - if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) { + if (ARCH_SLAB_MINALIGN && + ((unsigned long)objp & (ARCH_SLAB_MINALIGN-1))) { printk(KERN_ERR "0x%p: not aligned to ARCH_SLAB_MINALIGN=%d\n", - objp, ARCH_SLAB_MINALIGN); + objp, (int)ARCH_SLAB_MINALIGN); } -#endif return objp; } #else @@ -3402,7 +3403,7 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, cache_alloc_debugcheck_before(cachep, flags); local_irq_save(save_flags); - if (nodeid == -1) + if (nodeid == NUMA_NO_NODE) nodeid = slab_node; if (unlikely(!cachep->nodelists[nodeid])) { @@ -3933,7 +3934,7 @@ fail: struct ccupdate_struct { struct kmem_cache *cachep; - struct array_cache *new[NR_CPUS]; + struct array_cache *new[0]; }; static void do_ccupdate_local(void *info) @@ -3955,7 +3956,8 @@ static int do_tune_cpucache(struct kmem_cache *cachep, int limit, struct ccupdate_struct *new; int i; - new = kzalloc(sizeof(*new), gfp); + new = kzalloc(sizeof(*new) + nr_cpu_ids * sizeof(struct array_cache *), + gfp); if (!new) return -ENOMEM; |