Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...

[pandora-kernel.git] / mm / slab.c

diff --git a/mm/slab.c b/mm/slab.c
index 52cf0b4..568803f 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1390,7 +1390,7 @@ static int __meminit slab_memory_callback(struct notifier_block *self,
                break;
        }
 out:
-       return ret ? notifier_from_errno(ret) : NOTIFY_OK;
+       return notifier_from_errno(ret);
 }
 #endif /* CONFIG_NUMA && CONFIG_MEMORY_HOTPLUG */
 
@@ -2150,8 +2150,6 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp)
  *
  * @name must be valid until the cache is destroyed. This implies that
  * the module calling this has to destroy the cache before getting unloaded.
- * Note that kmem_cache_name() is not guaranteed to return the same pointer,
- * therefore applications must manage it themselves.
  *
  * The flags are
  *
@@ -2291,8 +2289,8 @@ kmem_cache_create (const char *name, size_t size, size_t align,
        if (ralign < align) {
                ralign = align;
        }
-       /* disable debug if not aligning with REDZONE_ALIGN */
-       if (ralign & (__alignof__(unsigned long long) - 1))
+       /* disable debug if necessary */
+       if (ralign > __alignof__(unsigned long long))
                flags &= ~(SLAB_RED_ZONE | SLAB_STORE_USER);
        /*
         * 4) Store it.
@@ -2318,8 +2316,8 @@ kmem_cache_create (const char *name, size_t size, size_t align,
         */
        if (flags & SLAB_RED_ZONE) {
                /* add space for red zone words */
-               cachep->obj_offset += align;
-               size += align + sizeof(unsigned long long);
+               cachep->obj_offset += sizeof(unsigned long long);
+               size += 2 * sizeof(unsigned long long);
        }
        if (flags & SLAB_STORE_USER) {
                /* user store requires one word storage behind the end of
@@ -3843,12 +3841,6 @@ unsigned int kmem_cache_size(struct kmem_cache *cachep)
 }
 EXPORT_SYMBOL(kmem_cache_size);
 
-const char *kmem_cache_name(struct kmem_cache *cachep)
-{
-       return cachep->name;
-}
-EXPORT_SYMBOL_GPL(kmem_cache_name);
-
 /*
  * This initializes kmem_list3 or resizes various caches for all nodes.
  */