+enum zone_stat_item {
+ NR_ANON_PAGES, /* Mapped anonymous pages */
+ NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
+ only modified from process context */
+ NR_FILE_PAGES,
+ NR_SLAB, /* Pages used by slab allocator */
+ NR_PAGETABLE, /* used for pagetables */
+ NR_FILE_DIRTY,
+ NR_WRITEBACK,
+ NR_VM_ZONE_STAT_ITEMS };
+