From 278b1bb1313664d4999a7f7d47a8a8d964862d02 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 5 Sep 2012 00:20:34 +0000 Subject: 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 Signed-off-by: Christoph Lameter Signed-off-by: Pekka Enberg --- mm/slob.c | 42 +++++++++++++++++------------------------- 1 file changed, 17 insertions(+), 25 deletions(-) (limited to 'mm/slob.c') diff --git a/mm/slob.c b/mm/slob.c index 50f605322700..9b0cee1e8475 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -508,34 +508,26 @@ size_t ksize(const void *block) } EXPORT_SYMBOL(ksize); -struct kmem_cache *__kmem_cache_create(const char *name, size_t size, +int __kmem_cache_create(struct kmem_cache *c, const char *name, size_t size, size_t align, unsigned long flags, void (*ctor)(void *)) { - struct kmem_cache *c; - - c = slob_alloc(sizeof(struct kmem_cache), - GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1); - - if (c) { - c->name = name; - c->size = size; - if (flags & SLAB_DESTROY_BY_RCU) { - /* leave room for rcu footer at the end of object */ - c->size += sizeof(struct slob_rcu); - } - c->flags = flags; - c->ctor = ctor; - /* ignore alignment unless it's forced */ - c->align = (flags & SLAB_HWCACHE_ALIGN) ? SLOB_ALIGN : 0; - if (c->align < ARCH_SLAB_MINALIGN) - c->align = ARCH_SLAB_MINALIGN; - if (c->align < align) - c->align = align; - - kmemleak_alloc(c, sizeof(struct kmem_cache), 1, GFP_KERNEL); - c->refcount = 1; + c->name = name; + c->size = size; + if (flags & SLAB_DESTROY_BY_RCU) { + /* leave room for rcu footer at the end of object */ + c->size += sizeof(struct slob_rcu); } - return c; + c->flags = flags; + c->ctor = ctor; + /* ignore alignment unless it's forced */ + c->align = (flags & SLAB_HWCACHE_ALIGN) ? SLOB_ALIGN : 0; + if (c->align < ARCH_SLAB_MINALIGN) + c->align = ARCH_SLAB_MINALIGN; + if (c->align < align) + c->align = align; + + c->refcount = 1; + return 0; } void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node) -- cgit v1.2.3-58-ga151