diff options
| -rw-r--r-- | mm/slab.c | 109 |
1 files changed, 55 insertions, 54 deletions
diff --git a/mm/slab.c b/mm/slab.c index 3d18b711ab82..4d5c4b93e0eb 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1748,6 +1748,60 @@ static inline size_t calculate_slab_order(struct kmem_cache *cachep, return left_over; } +static void setup_cpu_cache(struct kmem_cache *cachep) +{ + if (g_cpucache_up == FULL) { + enable_cpucache(cachep); + return; + } + if (g_cpucache_up == NONE) { + /* + * Note: the first kmem_cache_create must create the cache + * that's used by kmalloc(24), otherwise the creation of + * further caches will BUG(). + */ + cachep->array[smp_processor_id()] = &initarray_generic.cache; + + /* + * If the cache that's used by kmalloc(sizeof(kmem_list3)) is + * the first cache, then we need to set up all its list3s, + * otherwise the creation of further caches will BUG(). + */ + set_up_list3s(cachep, SIZE_AC); + if (INDEX_AC == INDEX_L3) + g_cpucache_up = PARTIAL_L3; + else + g_cpucache_up = PARTIAL_AC; + } else { + cachep->array[smp_processor_id()] = + kmalloc(sizeof(struct arraycache_init), GFP_KERNEL); + + if (g_cpucache_up == PARTIAL_AC) { + set_up_list3s(cachep, SIZE_L3); + g_cpucache_up = PARTIAL_L3; + } else { + int node; + for_each_online_node(node) { + cachep->nodelists[node] = + kmalloc_node(sizeof(struct kmem_list3), + GFP_KERNEL, node); + BUG_ON(!cachep->nodelists[node]); + kmem_list3_init(cachep->nodelists[node]); + } + } + } + cachep->nodelists[numa_node_id()]->next_reap = + jiffies + REAPTIMEOUT_LIST3 + + ((unsigned long)cachep) % REAPTIMEOUT_LIST3; + + cpu_cache_get(cachep)->avail = 0; + cpu_cache_get(cachep)->limit = BOOT_CPUCACHE_ENTRIES; + cpu_cache_get(cachep)->batchcount = 1; + cpu_cache_get(cachep)->touched = 0; + cachep->batchcount = 1; + cachep->limit = BOOT_CPUCACHE_ENTRIES; +} + /** * kmem_cache_create - Create a cache. * @name: A string which is used in /proc/slabinfo to identify this cache. @@ -2000,60 +2054,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, cachep->name = name; - if (g_cpucache_up == FULL) { - enable_cpucache(cachep); - } else { - if (g_cpucache_up == NONE) { - /* Note: the first kmem_cache_create must create - * the cache that's used by kmalloc(24), otherwise - * the creation of further caches will BUG(). - */ - cachep->array[smp_processor_id()] = - &initarray_generic.cache; - - /* If the cache that's used by - * kmalloc(sizeof(kmem_list3)) is the first cache, - * then we need to set up all its list3s, otherwise - * the creation of further caches will BUG(). - */ - set_up_list3s(cachep, SIZE_AC); - if (INDEX_AC == INDEX_L3) - g_cpucache_up = PARTIAL_L3; - else - g_cpucache_up = PARTIAL_AC; - } else { - cachep->array[smp_processor_id()] = - kmalloc(sizeof(struct arraycache_init), GFP_KERNEL); - - if (g_cpucache_up == PARTIAL_AC) { - set_up_list3s(cachep, SIZE_L3); - g_cpucache_up = PARTIAL_L3; - } else { - int node; - for_each_online_node(node) { - - cachep->nodelists[node] = - kmalloc_node(sizeof - (struct kmem_list3), - GFP_KERNEL, node); - BUG_ON(!cachep->nodelists[node]); - kmem_list3_init(cachep-> - nodelists[node]); - } - } - } - cachep->nodelists[numa_node_id()]->next_reap = - jiffies + REAPTIMEOUT_LIST3 + - ((unsigned long)cachep) % REAPTIMEOUT_LIST3; - - BUG_ON(!cpu_cache_get(cachep)); - cpu_cache_get(cachep)->avail = 0; - cpu_cache_get(cachep)->limit = BOOT_CPUCACHE_ENTRIES; - cpu_cache_get(cachep)->batchcount = 1; - cpu_cache_get(cachep)->touched = 0; - cachep->batchcount = 1; - cachep->limit = BOOT_CPUCACHE_ENTRIES; - } + setup_cpu_cache(cachep); /* cache setup completed, link it into the list */ list_add(&cachep->next, &cache_chain); |
