diff options
| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2009-04-02 16:57:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-02 19:04:55 -0700 |
| commit | c137b5ece4b111e46981aae7da77315b9909809f (patch) | |
| tree | 99677d3ae0f9016e83f257743ff04d5886a6e998 | |
| parent | e222432bfa7dcf6ec008622a978c9f284ed5e3a9 (diff) | |
memcg: remove mem_cgroup_calc_mapped_ratio()
Currently, mem_cgroup_calc_mapped_ratio() is unused at all. it can be
removed and KAMEZAWA-san suggested it.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/memcontrol.h | 6 | ||||
| -rw-r--r-- | mm/memcontrol.c | 17 |
2 files changed, 0 insertions, 23 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 7aba9f26462..4562d09ab96 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -88,7 +88,6 @@ extern void mem_cgroup_end_migration(struct mem_cgroup *mem, /* * For memory reclaim. */ -extern int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem); extern long mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem); extern int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem); @@ -211,11 +210,6 @@ static inline void mem_cgroup_end_migration(struct mem_cgroup *mem, { } -static inline int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem) -{ - return 0; -} - static inline int mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem) { return 0; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 2bdb6149fae..7bb14fdc780 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -508,23 +508,6 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem) } /* - * Calculate mapped_ratio under memory controller. This will be used in - * vmscan.c for deteremining we have to reclaim mapped pages. - */ -int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem) -{ - long total, rss; - - /* - * usage is recorded in bytes. But, here, we assume the number of - * physical pages can be represented by "long" on any arch. - */ - total = (long) (mem->res.usage >> PAGE_SHIFT) + 1L; - rss = (long)mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_RSS); - return (int)((rss * 100L) / total); -} - -/* * prev_priority control...this will be used in memory reclaim path. */ int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem) |