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-rw-r--r--include/linux/memcontrol.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 4ec712967f7c..085cdcd817b0 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -64,6 +64,12 @@ extern int mem_cgroup_prepare_migration(struct page *page);
64extern void mem_cgroup_end_migration(struct page *page); 64extern void mem_cgroup_end_migration(struct page *page);
65extern void mem_cgroup_page_migration(struct page *page, struct page *newpage); 65extern void mem_cgroup_page_migration(struct page *page, struct page *newpage);
66 66
67/*
68 * For memory reclaim.
69 */
70extern int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem);
71
72
67#else /* CONFIG_CGROUP_MEM_CONT */ 73#else /* CONFIG_CGROUP_MEM_CONT */
68static inline void mm_init_cgroup(struct mm_struct *mm, 74static inline void mm_init_cgroup(struct mm_struct *mm,
69 struct task_struct *p) 75 struct task_struct *p)
@@ -135,7 +141,10 @@ mem_cgroup_page_migration(struct page *page, struct page *newpage)
135{ 141{
136} 142}
137 143
138 144static inline int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem)
145{
146 return 0;
147}
139#endif /* CONFIG_CGROUP_MEM_CONT */ 148#endif /* CONFIG_CGROUP_MEM_CONT */
140 149
141#endif /* _LINUX_MEMCONTROL_H */ 150#endif /* _LINUX_MEMCONTROL_H */