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| author | Christoph Lameter <cl@linux.com> | 2012-09-05 02:20:34 +0200 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-09-05 11:00:36 +0200 |
| commit | 278b1bb1313664d4999a7f7d47a8a8d964862d02 (patch) | |
| tree | 65e05bc30338a24fd4afd4c4e8b49b8d3e002218 /mm/slub.c | |
| parent | mm/sl[aou]b: Move sysfs_slab_add to common (diff) | |
| download | linux-278b1bb1313664d4999a7f7d47a8a8d964862d02.tar.xz linux-278b1bb1313664d4999a7f7d47a8a8d964862d02.zip | |
mm/sl[aou]b: Move kmem_cache allocations into common code
Shift the allocations to common code. That way the allocation and
freeing of the kmem_cache structures is handled by common code.
Reviewed-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/mm/slub.c b/mm/slub.c index 8d00fd78df23..0ad3fffc7d23 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3034,7 +3034,6 @@ static int kmem_cache_open(struct kmem_cache *s, size_t align, unsigned long flags, void (*ctor)(void *)) { - memset(s, 0, kmem_size); s->name = name; s->ctor = ctor; s->object_size = size; @@ -3109,7 +3108,7 @@ static int kmem_cache_open(struct kmem_cache *s, goto error; if (alloc_kmem_cache_cpus(s)) - return 1; + return 0; free_kmem_cache_nodes(s); error: @@ -3118,7 +3117,7 @@ error: "order=%u offset=%u flags=%lx\n", s->name, (unsigned long)size, s->size, oo_order(s->oo), s->offset, flags); - return 0; + return -EINVAL; } /* @@ -3260,13 +3259,13 @@ static struct kmem_cache *__init create_kmalloc_cache(const char *name, { struct kmem_cache *s; - s = kmem_cache_alloc(kmem_cache, GFP_NOWAIT); + s = kmem_cache_zalloc(kmem_cache, GFP_NOWAIT); /* * This function is called with IRQs disabled during early-boot on * single CPU so there's no need to take slab_mutex here. */ - if (!kmem_cache_open(s, name, size, ARCH_KMALLOC_MINALIGN, + if (kmem_cache_open(s, name, size, ARCH_KMALLOC_MINALIGN, flags, NULL)) goto panic; @@ -3944,20 +3943,11 @@ struct kmem_cache *__kmem_cache_alias(const char *name, size_t size, return s; } -struct kmem_cache *__kmem_cache_create(const char *name, size_t size, +int __kmem_cache_create(struct kmem_cache *s, + const char *name, size_t size, size_t align, unsigned long flags, void (*ctor)(void *)) { - struct kmem_cache *s; - - s = kmem_cache_alloc(kmem_cache, GFP_KERNEL); - if (s) { - if (kmem_cache_open(s, name, - size, align, flags, ctor)) { - return s; - } - kmem_cache_free(kmem_cache, s); - } - return NULL; + return kmem_cache_open(s, name, size, align, flags, ctor); } #ifdef CONFIG_SMP |