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-rw-r--r--mm/slab.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 2e60bf3dedbb..a467b308c682 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -470,6 +470,8 @@ 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)
@@ -836,7 +838,7 @@ static int transfer_objects(struct array_cache *to,
static inline struct alien_cache **alloc_alien_cache(int node,
int limit, gfp_t gfp)
{
- return NULL;
+ return (struct alien_cache **)BAD_ALIEN_MAGIC;
}
static inline void free_alien_cache(struct alien_cache **ac_ptr)