mm: memcg: fix compaction/migration failing due to memcg limits

[linux-beck.git] / include / linux / memcontrol.h

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 5a3ee64236345a3185844786212940858c322be2..8d9489fdab2e4910eec7c30dfeea9ce0f08481cd 100644 (file)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -98,9 +98,9 @@ int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
 
 extern struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *memcg);
 
-extern int
-mem_cgroup_prepare_migration(struct page *page,
-       struct page *newpage, struct mem_cgroup **memcgp, gfp_t gfp_mask);
+extern void
+mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
+                            struct mem_cgroup **memcgp);
 extern void mem_cgroup_end_migration(struct mem_cgroup *memcg,
        struct page *oldpage, struct page *newpage, bool migration_ok);
 
@@ -276,11 +276,10 @@ static inline struct cgroup_subsys_state
        return NULL;
 }
 
-static inline int
+static inline void
 mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
-       struct mem_cgroup **memcgp, gfp_t gfp_mask)
+                            struct mem_cgroup **memcgp)
 {
-       return 0;
 }
 
 static inline void mem_cgroup_end_migration(struct mem_cgroup *memcg,