aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/memcontrol.h
diff options
context:
space:
mode:
authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2008-02-07 03:14:32 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-07 11:42:21 -0500
commit58ae83db2a40dea15d4277d499a11dadc823c388 (patch)
tree18e43609ab67a9577c01188d39714999d5ed03d0 /include/linux/memcontrol.h
parent6d12e2d8ddbe653d80ea4f71578481c1bc933025 (diff)
per-zone and reclaim enhancements for memory controller: calculate mapper_ratio per cgroup
Define function for calculating mapped_ratio in memory cgroup. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: David Rientjes <rientjes@google.com> Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Kirill Korotaev <dev@sw.ru> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Paul Menage <menage@google.com> Cc: Pavel Emelianov <xemul@openvz.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/memcontrol.h')
-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 */