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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 <[email protected]>
Acked-by: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: David Rientjes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Joonsoo Kim authored and Linus Torvalds committed 2014-08-06 18:01:14 -07:00
1 parent 367f7f2f45
commit a640616822
1 file changed
+1 -3
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mm/slab.c
+1 -3
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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)