mm: oom: deduplicate victim selection code for memcg and global oom

[cascardo/linux.git] / include / linux / memcontrol.h

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 5d8ca6e..0710143 100644 (file)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -366,6 +366,8 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *,
                                   struct mem_cgroup *,
                                   struct mem_cgroup_reclaim_cookie *);
 void mem_cgroup_iter_break(struct mem_cgroup *, struct mem_cgroup *);
+int mem_cgroup_scan_tasks(struct mem_cgroup *,
+                         int (*)(struct task_struct *, void *), void *);
 
 static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg)
 {
@@ -446,6 +448,8 @@ unsigned long mem_cgroup_get_lru_size(struct lruvec *lruvec, enum lru_list lru)
 
 void mem_cgroup_handle_over_high(void);
 
+unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg);
+
 void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
                                struct task_struct *p);
 
@@ -639,6 +643,12 @@ static inline void mem_cgroup_iter_break(struct mem_cgroup *root,
 {
 }
 
+static inline int mem_cgroup_scan_tasks(struct mem_cgroup *memcg,
+               int (*fn)(struct task_struct *, void *), void *arg)
+{
+       return 0;
+}
+
 static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg)
 {
        return 0;
@@ -669,6 +679,11 @@ mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
        return 0;
 }
 
+static inline unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg)
+{
+       return 0;
+}
+
 static inline void
 mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p)
 {