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Re: [PATCH 0/12] memcg updates v5

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From: KAMEZAWA Hiroyuki
Subject: Re: [PATCH 0/12] memcg updates v5
Date: Thursday, September 25, 2008 - 9:05 pm

On Fri, 26 Sep 2008 12:00:19 +0900
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:

Thank you. below is the new one...(Sorry!)

-Kame
==
Check LRU bit under lru_lock.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

 mm/memcontrol.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Index: mmotm-2.6.27-rc7+/mm/memcontrol.c
===================================================================
--- mmotm-2.6.27-rc7+.orig/mm/memcontrol.c
+++ mmotm-2.6.27-rc7+/mm/memcontrol.c
@@ -340,11 +340,12 @@ void mem_cgroup_move_lists(struct page *
 	if (!trylock_page_cgroup(pc))
 		return;
 
-	if (PageCgroupUsed(pc) && PageCgroupLRU(pc)) {
+	if (PageCgroupUsed(pc)) {
 		mem = pc->mem_cgroup;
 		mz = page_cgroup_zoneinfo(pc);
 		spin_lock_irqsave(&mz->lru_lock, flags);
-		__mem_cgroup_move_lists(pc, lru);
+		if (PageCgroupLRU(pc))
+			__mem_cgroup_move_lists(pc, lru);
 		spin_unlock_irqrestore(&mz->lru_lock, flags);
 	}
 	unlock_page_cgroup(pc);
@@ -564,8 +565,8 @@ __release_page_cgroup(struct memcg_percp
 			spin_lock(&mz->lru_lock);
 		}
 		if (!PageCgroupUsed(pc) && PageCgroupLRU(pc)) {
-			__mem_cgroup_remove_list(mz, pc);
 			ClearPageCgroupLRU(pc);
+			__mem_cgroup_remove_list(mz, pc);
 		}
 	}
 	if (prev_mz)
@@ -597,8 +598,8 @@ __set_page_cgroup_lru(struct memcg_percp
 			spin_lock(&mz->lru_lock);
 		}
 		if (PageCgroupUsed(pc) && !PageCgroupLRU(pc)) {
-			SetPageCgroupLRU(pc);
 			__mem_cgroup_add_list(mz, pc);
+			SetPageCgroupLRU(pc);
 		}
 	}
 



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Messages in current thread:
[PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:11 pm)
[PATCH 1/12] memcg avoid accounting special mappings not o ..., KAMEZAWA Hiroyuki, (Wed Sep 24, 11:13 pm)
[PATCH 2/12] memcg move charege() call to swapped-in page ..., KAMEZAWA Hiroyuki, (Wed Sep 24, 11:14 pm)
[PATCH 3/12] memcg make root cgroup unlimited., KAMEZAWA Hiroyuki, (Wed Sep 24, 11:15 pm)
[PATCH 4/12] memcg make page-&gt;mapping NULL before calling ..., KAMEZAWA Hiroyuki, (Wed Sep 24, 11:16 pm)
[PATCH 5/12] memcg make page_cgroup-&gt;flags atomic, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:17 pm)
[PATCH 6/12] memcg optimize percpu stat, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:18 pm)
[PATCH 7/12] memcg add function to move account, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:27 pm)
[PATCH 8/12] memcg rewrite force empty to move account to root, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:29 pm)
[PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:32 pm)
[PATCH 10/12] memcg free page_cgroup from LRU in lazy, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:33 pm)
[PATCH 11/12] memcg add to LRU in lazy, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:35 pm)
[PATCH 12/12] memcg: fix race at charging swap-in, KAMEZAWA Hiroyuki, (Wed Sep 24, 11:36 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, Dave Hansen, (Thu Sep 25, 11:40 am)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, Daisuke Nishimura, (Thu Sep 25, 6:00 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Thu Sep 25, 6:17 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Thu Sep 25, 6:22 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Thu Sep 25, 6:43 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Thu Sep 25, 7:05 pm)
[PATCH(fixed) 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Thu Sep 25, 7:21 pm)
[PATCH(fixed) 10/12] free page cgroup from LRU in lazy, KAMEZAWA Hiroyuki, (Thu Sep 25, 7:25 pm)
[PATCH(fixed) 11/12] free page cgroup from LRU in add, KAMEZAWA Hiroyuki, (Thu Sep 25, 7:28 pm)
Re: [PATCH 0/12] memcg updates v5, Daisuke Nishimura, (Thu Sep 25, 7:32 pm)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Thu Sep 25, 7:58 pm)
Re: [PATCH 0/12] memcg updates v5, Daisuke Nishimura, (Thu Sep 25, 8:00 pm)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Thu Sep 25, 8:04 pm)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Thu Sep 25, 9:05 pm)
Re: [PATCH 0/12] memcg updates v5, Daisuke Nishimura, (Thu Sep 25, 10:24 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, Daisuke Nishimura, (Thu Sep 25, 10:54 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Thu Sep 25, 11:54 pm)
Re: [PATCH 7/12] memcg add function to move account, Daisuke Nishimura, (Fri Sep 26, 12:30 am)
Re: [PATCH 0/12] memcg updates v5, Balbir Singh, (Fri Sep 26, 1:18 am)
Re: [PATCH 1/12] memcg avoid accounting special mappings n ..., Balbir Singh, (Fri Sep 26, 1:25 am)
Re: [PATCH 2/12] memcg move charege() call to swapped-in p ..., Balbir Singh, (Fri Sep 26, 1:36 am)
Re: [PATCH 3/12] memcg make root cgroup unlimited., Balbir Singh, (Fri Sep 26, 1:41 am)
Re: [PATCH 1/12] memcg avoid accounting special mappings n ..., KAMEZAWA Hiroyuki, (Fri Sep 26, 2:17 am)
Re: [PATCH 2/12] memcg move charege() call to swapped-in p ..., KAMEZAWA Hiroyuki, (Fri Sep 26, 2:18 am)
Re: [PATCH 3/12] memcg make root cgroup unlimited., KAMEZAWA Hiroyuki, (Fri Sep 26, 2:21 am)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Fri Sep 26, 2:22 am)
Re: [PATCH 7/12] memcg add function to move account, KAMEZAWA Hiroyuki, (Fri Sep 26, 2:24 am)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Fri Sep 26, 2:28 am)
Re: [PATCH 3/12] memcg make root cgroup unlimited., Balbir Singh, (Fri Sep 26, 2:29 am)
Re: [PATCH 0/12] memcg updates v5, Balbir Singh, (Fri Sep 26, 2:31 am)
Re: [PATCH 1/12] memcg avoid accounting special mappings n ..., Balbir Singh, (Fri Sep 26, 2:32 am)
Re: [PATCH 4/12] memcg make page-&gt;mapping NULL before call ..., Balbir Singh, (Fri Sep 26, 2:47 am)
Re: [PATCH 6/12] memcg optimize percpu stat, Balbir Singh, (Fri Sep 26, 2:53 am)
Re: [PATCH 1/12] memcg avoid accounting special mappings n ..., KAMEZAWA Hiroyuki, (Fri Sep 26, 2:55 am)
Re: [PATCH 3/12] memcg make root cgroup unlimited., KAMEZAWA Hiroyuki, (Fri Sep 26, 2:59 am)
Re: [PATCH 4/12] memcg make page-&gt;mapping NULL before call ..., KAMEZAWA Hiroyuki, (Fri Sep 26, 3:07 am)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Fri Sep 26, 3:36 am)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Fri Sep 26, 3:43 am)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Fri Sep 26, 7:53 pm)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Fri Sep 26, 8:19 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Fri Sep 26, 8:25 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Fri Sep 26, 8:47 pm)
Re: [PATCH 5/12] memcg make page_cgroup-&gt;flags atomic, Balbir Singh, (Fri Sep 26, 11:58 pm)
Re: [PATCH 7/12] memcg add function to move account, Balbir Singh, (Sat Sep 27, 12:56 am)
Re: Re: [PATCH 7/12] memcg add function to move account, kamezawa.hiroyu, (Sat Sep 27, 1:35 am)
Re: [PATCH 0/12] memcg updates v5, Balbir Singh, (Sun Sep 28, 8:02 pm)
Re: [PATCH 0/12] memcg updates v5, KAMEZAWA Hiroyuki, (Sun Sep 28, 8:27 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, Balbir Singh, (Tue Sep 30, 9:03 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Tue Sep 30, 10:07 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, Balbir Singh, (Tue Sep 30, 10:30 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Tue Sep 30, 10:32 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Tue Sep 30, 10:41 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, Balbir Singh, (Tue Sep 30, 10:59 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Tue Sep 30, 11:12 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, KAMEZAWA Hiroyuki, (Tue Sep 30, 11:17 pm)
Re: [PATCH 9/12] memcg allocate all page_cgroup at boot, Balbir Singh, (Tue Sep 30, 11:26 pm)