BACKPORT: mm: multi-gen LRU: exploit locality in rmap

[platform/kernel/linux-rpi.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index a7cbcec..5c24469 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -361,6 +361,7 @@ enum lruvec_flags {
 #ifndef __GENERATING_BOUNDS_H
 
 struct lruvec;
+struct page_vma_mapped_walk;
 
 #define LRU_GEN_MASK           ((BIT(LRU_GEN_WIDTH) - 1) << LRU_GEN_PGOFF)
 #define LRU_REFS_MASK          ((BIT(LRU_REFS_WIDTH) - 1) << LRU_REFS_PGOFF)
@@ -416,6 +417,7 @@ struct lru_gen_struct {
 };
 
 void lru_gen_init_lruvec(struct lruvec *lruvec);
+void lru_gen_look_around(struct page_vma_mapped_walk *pvmw);
 
 #ifdef CONFIG_MEMCG
 void lru_gen_init_memcg(struct mem_cgroup *memcg);
@@ -428,6 +430,10 @@ static inline void lru_gen_init_lruvec(struct lruvec *lruvec)
 {
 }
 
+static inline void lru_gen_look_around(struct page_vma_mapped_walk *pvmw)
+{
+}
+
 #ifdef CONFIG_MEMCG
 static inline void lru_gen_init_memcg(struct mem_cgroup *memcg)
 {