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memcgroup: make the memory controller more desktop responsive

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This patch makes the memory controller more responsive on my desktop.

1. Set all cached pages as inactive.  We were by default marking all pages
   as active, thus forcing us to go through two passes for reclaiming pages

2. Remove congestion_wait(), since we already have that logic in
   do_try_to_free_pages()

Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Cc: Paul Menage <menage@google.com>
Cc: Pavel Emelianov <xemul@openvz.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Balbir Singh 2008-04-29 01:00:23 -07:00 committed by Linus Torvalds
parent 3eae90c3cd
commit 4a56d02e34
1 changed files with 1 additions and 2 deletions
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3
mm/memcontrol.c
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@ -591,7 +591,6 @@ retry:
mem_cgroup_out_of_memory(mem, gfp_mask);
goto out;
}
congestion_wait(WRITE, HZ/10);
}
pc->ref_cnt = 1;
@ -599,7 +598,7 @@ retry:
pc->page = page;
pc->flags = PAGE_CGROUP_FLAG_ACTIVE;
if (ctype == MEM_CGROUP_CHARGE_TYPE_CACHE)
pc->flags |= PAGE_CGROUP_FLAG_CACHE;
pc->flags = PAGE_CGROUP_FLAG_CACHE;
lock_page_cgroup(page);
if (page_get_page_cgroup(page)) {