1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index 9443cafd1969..0f80123650e2 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -69,7 +69,7 @@ struct shrinker {
 
         /* These are for internal use */
         struct list_head list;
-#ifdef CONFIG_MEMCG_KMEM
+#ifdef CONFIG_MEMCG
         /* ID in shrinker_idr */
         int id;
 #endif
@@ -81,6 +81,11 @@ struct shrinker {
 /* Flags */
 #define SHRINKER_NUMA_AWARE     (1 << 0)
 #define SHRINKER_MEMCG_AWARE    (1 << 1)
+/*
+ * It just makes sense when the shrinker is also MEMCG_AWARE for now,
+ * non-MEMCG_AWARE shrinker should not have this flag set.
+ */
+#define SHRINKER_NONSLAB        (1 << 2)
 
 extern int prealloc_shrinker(struct shrinker *shrinker);
 extern void register_shrinker_prepared(struct shrinker *shrinker);