slub: Store max number of objects in the page struct.

[linux-2.6-omap-h63xx.git] / include / linux / mm_types.h

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index f4c03e0b355e04dbbbc05f9500350d632ef87bd6..e0bd2235296b549e15102833cca8196caf4d0990 100644 (file)
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -42,7 +42,10 @@ struct page {
                                         * to show when page is mapped
                                         * & limit reverse map searches.
                                         */
-               unsigned int inuse;     /* SLUB: Nr of objects */
+               struct {                /* SLUB */
+                       u16 inuse;
+                       u16 objects;
+               };
        };
        union {
            struct {
@@ -88,6 +91,9 @@ struct page {
        void *virtual;                  /* Kernel virtual address (NULL if
                                           not kmapped, ie. highmem) */
 #endif /* WANT_PAGE_VIRTUAL */
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+       unsigned long page_cgroup;
+#endif
 };
 
 /*
@@ -219,6 +225,9 @@ struct mm_struct {
        /* aio bits */
        rwlock_t                ioctx_list_lock;
        struct kioctx           *ioctx_list;
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+       struct mem_cgroup *mem_cgroup;
+#endif
 };
 
 #endif /* _LINUX_MM_TYPES_H */