vmscan,memcg: memcg aware swap token

[deliverable/linux.git] / include / linux / swap.h

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 384eb5fe530b8e90c44c9f65ebb719f965cf65df..e70564647039fdcbdf5516aa9f8a9ed1cffd4d6d 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -358,6 +358,7 @@ struct backing_dev_info;
 extern struct mm_struct *swap_token_mm;
 extern void grab_swap_token(struct mm_struct *);
 extern void __put_swap_token(struct mm_struct *);
+extern void disable_swap_token(struct mem_cgroup *memcg);
 
 static inline int has_swap_token(struct mm_struct *mm)
 {
@@ -370,11 +371,6 @@ static inline void put_swap_token(struct mm_struct *mm)
                __put_swap_token(mm);
 }
 
-static inline void disable_swap_token(void)
-{
-       put_swap_token(swap_token_mm);
-}
-
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 extern void
 mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout);
@@ -500,7 +496,7 @@ static inline int has_swap_token(struct mm_struct *mm)
        return 0;
 }
 
-static inline void disable_swap_token(void)
+static inline void disable_swap_token(struct mem_cgroup *memcg)
 {
 }