From: Pavel Emelyanov <xemul@openvz.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: balbir@linux.vnet.ibm.com, "hugh@veritas.com" <hugh@veritas.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
menage@google.com, Dave Hansen <haveblue@us.ibm.com>,
"nickpiggin@yahoo.com.au" <nickpiggin@yahoo.com.au>
Subject: Re: [RFC][PATCH 11/9] lazy lru free vector for memcg
Date: Tue, 16 Sep 2008 16:23:37 +0400 [thread overview]
Message-ID: <48CFA549.5010500@openvz.org> (raw)
In-Reply-To: <20080916211934.25c36d20.kamezawa.hiroyu@jp.fujitsu.com>
[snip]
> @@ -938,6 +1047,7 @@ static int mem_cgroup_force_empty(struct
> * So, we have to do loop here until all lists are empty.
> */
> while (mem->res.usage > 0) {
> + drain_page_cgroup_all();
Shouldn't we wait here till the drain process completes?
> if (atomic_read(&mem->css.cgroup->count) > 0)
> goto out;
> for_each_node_state(node, N_POSSIBLE)
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Emelyanov <xemul@openvz.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: balbir@linux.vnet.ibm.com, "hugh@veritas.com" <hugh@veritas.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
menage@google.com, Dave Hansen <haveblue@us.ibm.com>,
"nickpiggin@yahoo.com.au" <nickpiggin@yahoo.com.au>
Subject: Re: [RFC][PATCH 11/9] lazy lru free vector for memcg
Date: Tue, 16 Sep 2008 16:23:37 +0400 [thread overview]
Message-ID: <48CFA549.5010500@openvz.org> (raw)
In-Reply-To: <20080916211934.25c36d20.kamezawa.hiroyu@jp.fujitsu.com>
[snip]
> @@ -938,6 +1047,7 @@ static int mem_cgroup_force_empty(struct
> * So, we have to do loop here until all lists are empty.
> */
> while (mem->res.usage > 0) {
> + drain_page_cgroup_all();
Shouldn't we wait here till the drain process completes?
> if (atomic_read(&mem->css.cgroup->count) > 0)
> goto out;
> for_each_node_state(node, N_POSSIBLE)
--
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next prev parent reply other threads:[~2008-09-16 12:24 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-11 11:08 [RFC] [PATCH 0/9] remove page_cgroup pointer (with some enhancements) KAMEZAWA Hiroyuki
2008-09-11 11:08 ` KAMEZAWA Hiroyuki
2008-09-11 11:11 ` [RFC] [PATCH 1/9] memcg:make root no limit KAMEZAWA Hiroyuki
2008-09-11 11:11 ` KAMEZAWA Hiroyuki
2008-09-11 11:13 ` [RFC] [PATCH 2/9] memcg: atomic page_cgroup flags KAMEZAWA Hiroyuki
2008-09-11 11:13 ` KAMEZAWA Hiroyuki
2008-09-11 11:14 ` [RFC] [PATCH 3/9] memcg: move_account between groups KAMEZAWA Hiroyuki
2008-09-11 11:14 ` KAMEZAWA Hiroyuki
2008-09-12 4:36 ` KAMEZAWA Hiroyuki
2008-09-12 4:36 ` KAMEZAWA Hiroyuki
2008-09-11 11:16 ` [RFC] [PATCH 4/9] memcg: new force empty KAMEZAWA Hiroyuki
2008-09-11 11:16 ` KAMEZAWA Hiroyuki
2008-09-11 11:17 ` [RFC] [PATCH 5/9] memcg: set mapping null before uncharge KAMEZAWA Hiroyuki
2008-09-11 11:17 ` KAMEZAWA Hiroyuki
2008-09-11 11:18 ` [RFC] [PATCH 6/9] memcg: optimize stat KAMEZAWA Hiroyuki
2008-09-11 11:18 ` KAMEZAWA Hiroyuki
2008-09-11 11:20 ` [RFC] [PATCH 7/9] memcg: charge likely success KAMEZAWA Hiroyuki
2008-09-11 11:20 ` KAMEZAWA Hiroyuki
2008-09-11 11:22 ` [RFC] [PATCH 8/9] memcg: remove page_cgroup pointer from memmap KAMEZAWA Hiroyuki
2008-09-11 11:22 ` KAMEZAWA Hiroyuki
2008-09-11 14:00 ` Nick Piggin
2008-09-11 14:00 ` Nick Piggin
2008-09-11 14:38 ` kamezawa.hiroyu
2008-09-11 14:38 ` kamezawa.hiroyu
2008-09-11 15:01 ` kamezawa.hiroyu
2008-09-11 15:01 ` kamezawa.hiroyu
2008-09-12 16:12 ` Balbir Singh
2008-09-12 16:12 ` Balbir Singh
2008-09-12 16:19 ` Dave Hansen
2008-09-12 16:19 ` Dave Hansen
2008-09-12 16:23 ` Dave Hansen
2008-09-12 16:23 ` Dave Hansen
2008-09-16 12:13 ` memcg: lazy_lru (was Re: [RFC] [PATCH 8/9] memcg: remove page_cgroup pointer from memmap) KAMEZAWA Hiroyuki
2008-09-16 12:13 ` KAMEZAWA Hiroyuki
2008-09-16 12:17 ` [RFC][PATCH 10/9] get/put page at charge/uncharge KAMEZAWA Hiroyuki
2008-09-16 12:17 ` KAMEZAWA Hiroyuki
2008-09-16 12:19 ` [RFC][PATCH 11/9] lazy lru free vector for memcg KAMEZAWA Hiroyuki
2008-09-16 12:19 ` KAMEZAWA Hiroyuki
2008-09-16 12:23 ` Pavel Emelyanov [this message]
2008-09-16 12:23 ` Pavel Emelyanov
2008-09-16 13:02 ` kamezawa.hiroyu
2008-09-16 13:02 ` kamezawa.hiroyu
2008-09-16 12:21 ` [RFC] [PATCH 12/9] lazy lru add vie per cpu " KAMEZAWA Hiroyuki
2008-09-16 12:21 ` KAMEZAWA Hiroyuki
2008-09-11 11:24 ` [RFC] [PATCH 9/9] memcg: percpu page cgroup lookup cache KAMEZAWA Hiroyuki
2008-09-11 11:24 ` KAMEZAWA Hiroyuki
2008-09-11 11:31 ` Nick Piggin
2008-09-11 11:31 ` Nick Piggin
2008-09-11 12:49 ` kamezawa.hiroyu
2008-09-11 12:49 ` kamezawa.hiroyu
2008-09-12 9:35 ` [RFC] [PATCH 0/9] remove page_cgroup pointer (with some enhancements) KAMEZAWA Hiroyuki
2008-09-12 9:35 ` KAMEZAWA Hiroyuki
2008-09-12 10:18 ` KAMEZAWA Hiroyuki
2008-09-12 10:18 ` KAMEZAWA Hiroyuki
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