1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index e30687bad075..d5bb1796e12b 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -50,13 +50,16 @@ struct page {
             spinlock_t ptl;
 #endif
             struct {                    /* SLUB uses */
-                struct page *first_page;        /* Compound pages */
+                void **lockless_freelist;
                 struct kmem_cache *slab;        /* Pointer to slab */
             };
+            struct {
+                struct page *first_page;        /* Compound pages */
+            };
         };
         union {
                 pgoff_t index;          /* Our offset within mapping. */
-                void *freelist;         /* SLUB: pointer to free object */
+                void *freelist;         /* SLUB: freelist req. slab lock */
         };
         struct list_head lru;           /* Pageout list, eg. active_list
                                          * protected by zone->lru_lock !