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slab: remove BAD_ALIEN_MAGIC

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BAD_ALIEN_MAGIC value isn't used anymore. So remove it.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joonsoo Kim 2014-08-06 16:04:38 -07:00 committed by Linus Torvalds
parent 367f7f2f45
commit a640616822
1 changed files with 1 additions and 3 deletions
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4
mm/slab.c
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@ -470,8 +470,6 @@ static struct kmem_cache kmem_cache_boot = {
.name = "kmem_cache",
};
#define BAD_ALIEN_MAGIC 0x01020304ul
static DEFINE_PER_CPU(struct delayed_work, slab_reap_work);
static inline struct array_cache *cpu_cache_get(struct kmem_cache *cachep)
@ -838,7 +836,7 @@ static int transfer_objects(struct array_cache *to,
static inline struct alien_cache **alloc_alien_cache(int node,
int limit, gfp_t gfp)
{
return (struct alien_cache **)BAD_ALIEN_MAGIC;
return NULL;
}
static inline void free_alien_cache(struct alien_cache **ac_ptr)