diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 73 |
1 files changed, 33 insertions, 40 deletions
diff --git a/mm/slab.c b/mm/slab.c index abc83334e5fb..f1f6d54e129a 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1677,20 +1677,20 @@ void __init kmem_cache_init(void) */ sizes[INDEX_AC].cs_cachep = kmem_cache_zalloc(kmem_cache, GFP_NOWAIT); - __kmem_cache_create(sizes[INDEX_AC].cs_cachep, names[INDEX_AC].name, - sizes[INDEX_AC].cs_size, - ARCH_KMALLOC_MINALIGN, - ARCH_KMALLOC_FLAGS|SLAB_PANIC, - NULL); - + sizes[INDEX_AC].cs_cachep->name = names[INDEX_AC].name; + sizes[INDEX_AC].cs_cachep->size = sizes[INDEX_AC].cs_size; + sizes[INDEX_AC].cs_cachep->object_size = sizes[INDEX_AC].cs_size; + sizes[INDEX_AC].cs_cachep->align = ARCH_KMALLOC_MINALIGN; + __kmem_cache_create(sizes[INDEX_AC].cs_cachep, ARCH_KMALLOC_FLAGS|SLAB_PANIC); list_add(&sizes[INDEX_AC].cs_cachep->list, &slab_caches); + if (INDEX_AC != INDEX_L3) { sizes[INDEX_L3].cs_cachep = kmem_cache_zalloc(kmem_cache, GFP_NOWAIT); - __kmem_cache_create(sizes[INDEX_L3].cs_cachep, names[INDEX_L3].name, - sizes[INDEX_L3].cs_size, - ARCH_KMALLOC_MINALIGN, - ARCH_KMALLOC_FLAGS|SLAB_PANIC, - NULL); + sizes[INDEX_L3].cs_cachep->name = names[INDEX_L3].name; + sizes[INDEX_L3].cs_cachep->size = sizes[INDEX_L3].cs_size; + sizes[INDEX_L3].cs_cachep->object_size = sizes[INDEX_L3].cs_size; + sizes[INDEX_L3].cs_cachep->align = ARCH_KMALLOC_MINALIGN; + __kmem_cache_create(sizes[INDEX_L3].cs_cachep, ARCH_KMALLOC_FLAGS|SLAB_PANIC); list_add(&sizes[INDEX_L3].cs_cachep->list, &slab_caches); } @@ -1706,22 +1706,21 @@ void __init kmem_cache_init(void) */ if (!sizes->cs_cachep) { sizes->cs_cachep = kmem_cache_zalloc(kmem_cache, GFP_NOWAIT); - __kmem_cache_create(sizes->cs_cachep, names->name, - sizes->cs_size, - ARCH_KMALLOC_MINALIGN, - ARCH_KMALLOC_FLAGS|SLAB_PANIC, - NULL); + sizes->cs_cachep->name = names->name; + sizes->cs_cachep->size = sizes->cs_size; + sizes->cs_cachep->object_size = sizes->cs_size; + sizes->cs_cachep->align = ARCH_KMALLOC_MINALIGN; + __kmem_cache_create(sizes->cs_cachep, ARCH_KMALLOC_FLAGS|SLAB_PANIC); list_add(&sizes->cs_cachep->list, &slab_caches); } #ifdef CONFIG_ZONE_DMA sizes->cs_dmacachep = kmem_cache_zalloc(kmem_cache, GFP_NOWAIT); + sizes->cs_dmacachep->name = names->name_dma; + sizes->cs_dmacachep->size = sizes->cs_size; + sizes->cs_dmacachep->object_size = sizes->cs_size; + sizes->cs_dmacachep->align = ARCH_KMALLOC_MINALIGN; __kmem_cache_create(sizes->cs_dmacachep, - names->name_dma, - sizes->cs_size, - ARCH_KMALLOC_MINALIGN, - ARCH_KMALLOC_FLAGS|SLAB_CACHE_DMA| - SLAB_PANIC, - NULL); + ARCH_KMALLOC_FLAGS|SLAB_CACHE_DMA| SLAB_PANIC); list_add(&sizes->cs_dmacachep->list, &slab_caches); #endif sizes++; @@ -2360,12 +2359,12 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp) * as davem. */ int -__kmem_cache_create (struct kmem_cache *cachep, const char *name, size_t size, size_t align, - unsigned long flags, void (*ctor)(void *)) +__kmem_cache_create (struct kmem_cache *cachep, unsigned long flags) { size_t left_over, slab_size, ralign; gfp_t gfp; int err; + size_t size = cachep->size; #if DEBUG #if FORCED_DEBUG @@ -2437,8 +2436,8 @@ __kmem_cache_create (struct kmem_cache *cachep, const char *name, size_t size, s ralign = ARCH_SLAB_MINALIGN; } /* 3) caller mandated alignment */ - if (ralign < align) { - ralign = align; + if (ralign < cachep->align) { + ralign = cachep->align; } /* disable debug if necessary */ if (ralign > __alignof__(unsigned long long)) @@ -2446,7 +2445,7 @@ __kmem_cache_create (struct kmem_cache *cachep, const char *name, size_t size, s /* * 4) Store it. */ - align = ralign; + cachep->align = ralign; if (slab_is_available()) gfp = GFP_KERNEL; @@ -2454,8 +2453,6 @@ __kmem_cache_create (struct kmem_cache *cachep, const char *name, size_t size, s gfp = GFP_NOWAIT; cachep->nodelists = (struct kmem_list3 **)&cachep->array[nr_cpu_ids]; - cachep->object_size = size; - cachep->align = align; #if DEBUG /* @@ -2500,17 +2497,15 @@ __kmem_cache_create (struct kmem_cache *cachep, const char *name, size_t size, s */ flags |= CFLGS_OFF_SLAB; - size = ALIGN(size, align); + size = ALIGN(size, cachep->align); - left_over = calculate_slab_order(cachep, size, align, flags); + left_over = calculate_slab_order(cachep, size, cachep->align, flags); - if (!cachep->num) { - printk(KERN_ERR - "kmem_cache_create: couldn't create cache %s.\n", name); + if (!cachep->num) return -E2BIG; - } + slab_size = ALIGN(cachep->num * sizeof(kmem_bufctl_t) - + sizeof(struct slab), align); + + sizeof(struct slab), cachep->align); /* * If the slab has been placed off-slab, and we have enough space then @@ -2538,8 +2533,8 @@ __kmem_cache_create (struct kmem_cache *cachep, const char *name, size_t size, s cachep->colour_off = cache_line_size(); /* Offset must be a multiple of the alignment. */ - if (cachep->colour_off < align) - cachep->colour_off = align; + if (cachep->colour_off < cachep->align) + cachep->colour_off = cachep->align; cachep->colour = left_over / cachep->colour_off; cachep->slab_size = slab_size; cachep->flags = flags; @@ -2560,8 +2555,6 @@ __kmem_cache_create (struct kmem_cache *cachep, const char *name, size_t size, s */ BUG_ON(ZERO_OR_NULL_PTR(cachep->slabp_cache)); } - cachep->ctor = ctor; - cachep->name = name; cachep->refcount = 1; err = setup_cpu_cache(cachep, gfp); |