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-rw-r--r--mm/memcontrol.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 14cb6142ec4c..422f779a5b21 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -135,6 +135,16 @@ struct page_cgroup {
#define PAGE_CGROUP_FLAG_CACHE (0x1) /* charged as cache */
#define PAGE_CGROUP_FLAG_ACTIVE (0x2) /* page is active in this cgroup */
+static inline int page_cgroup_nid(struct page_cgroup *pc)
+{
+ return page_to_nid(pc->page);
+}
+
+static inline enum zone_type page_cgroup_zid(struct page_cgroup *pc)
+{
+ return page_zonenum(pc->page);
+}
+
enum {
MEM_CGROUP_TYPE_UNSPEC = 0,
MEM_CGROUP_TYPE_MAPPED,