mm/slub: Use kmem_cache for the kmem_cache structure

Do not use kmalloc() but kmem_cache_alloc() for the allocation
of the kmem_cache structures in slub.

Reviewed-by: Glauber Costa <glommer@parallels.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 990592174340..c66908983218 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -213,7 +213,7 @@ static inline int sysfs_slab_alias(struct kmem_cache *s, const char *p)
 static inline void sysfs_slab_remove(struct kmem_cache *s)
 {
         kfree(s->name);
-        kfree(s);
+        kmem_cache_free(kmem_cache, s);
 }
 
 #endif
@@ -3969,7 +3969,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
         if (!n)
                 return NULL;
 
-        s = kmalloc(kmem_size, GFP_KERNEL);
+        s = kmem_cache_alloc(kmem_cache, GFP_KERNEL);
         if (s) {
                 if (kmem_cache_open(s, n,
                                 size, align, flags, ctor)) {
@@ -3986,7 +3986,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
                         list_del(&s->list);
                         kmem_cache_close(s);
                 }
-                kfree(s);
+                kmem_cache_free(kmem_cache, s);
         }
         kfree(n);
         return NULL;
@@ -5224,7 +5224,7 @@ static void kmem_cache_release(struct kobject *kobj)
         struct kmem_cache *s = to_slab(kobj);
 
         kfree(s->name);
-        kfree(s);
+        kmem_cache_free(kmem_cache, s);
 }
 
 static const struct sysfs_ops slab_sysfs_ops = {