slab: remove BAD_ALIEN_MAGIC

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]>
koenkooi · Aug 7, 2014 · a640616 · a640616
1 parent 367f7f2
commit a640616
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/mm/slab.c b/mm/slab.c
@@ -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)