From c137b5ece4b111e46981aae7da77315b9909809f Mon Sep 17 00:00:00 2001 From: KOSAKI Motohiro Date: Thu, 2 Apr 2009 16:57:40 -0700 Subject: 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 Cc: KAMEZAWA Hiroyuki Acked-by: Balbir Singh Cc: Johannes Weiner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memcontrol.c | 17 ----------------- 1 file changed, 17 deletions(-) (limited to 'mm') diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 2bdb6149faeb..7bb14fdc780c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -507,23 +507,6 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem) return ret; } -/* - * 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. */ -- cgit v1.2.3-59-g8ed1b