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mm/slab_common.c: cleanup 

Eliminate an ifdef and a label by moving all the CONFIG_DEBUG_VM checking
inside the locked region.

Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Andrew Morton 2012-08-14 14:53:22 -07:00 committed by Pekka Enberg
parent 48f2474144
commit 455ce9eb1c
1 changed files with 7 additions and 12 deletions
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19
mm/slab_common.c
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@ -53,19 +53,17 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align
{
struct kmem_cache *s = NULL;
#ifdef CONFIG_DEBUG_VM
if (!name || in_interrupt() || size < sizeof(void *) ||
size > KMALLOC_MAX_SIZE) {
printk(KERN_ERR "kmem_cache_create(%s) integrity check"
" failed\n", name);
goto out;
}
#endif
get_online_cpus();
mutex_lock(&slab_mutex);
#ifdef CONFIG_DEBUG_VM
if (!name || in_interrupt() || size < sizeof(void *) ||
size > KMALLOC_MAX_SIZE) {
printk(KERN_ERR "kmem_cache_create(%s) integrity check"
" failed\n", name);
goto oops;
}
list_for_each_entry(s, &slab_caches, list) {
char tmp;
int res;
@ -104,9 +102,6 @@ oops:
mutex_unlock(&slab_mutex);
put_online_cpus();
#ifdef CONFIG_DEBUG_VM
out:
#endif
if (!s && (flags & SLAB_PANIC))
panic("kmem_cache_create: Failed to create slab '%s'\n", name);