Revert "unique end pointer" patch

This only made sense for the alternate fastpath which was reverted last week.

Mathieu is working on a new version that addresses the fastpath issues but that
new code first needs to go through mm and it is not clear if we need the
unique end pointers with his new scheme.

Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Christoph Lameter <clameter@sgi.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index bfee0bd1d435..34023c65d466 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -64,10 +64,7 @@ struct page {
 #if NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS
             spinlock_t ptl;
 #endif
-            struct {
-                   struct kmem_cache *slab;     /* SLUB: Pointer to slab */
-                   void *end;                   /* SLUB: end marker */
-            };
+            struct kmem_cache *slab;    /* SLUB: Pointer to slab */
             struct page *first_page;    /* Compound tail pages */
         };
         union {