From: Peter Zijlstra <peterz@infradead.org>
To: Greg Thelen <gthelen@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
Vivek Goyal <vgoyal@redhat.com>,
balbir@linux.vnet.ibm.com, Andrea Righi <arighi@develer.com>,
Trond Myklebust <trond.myklebust@fys.uio.no>,
Suleiman Souhlal <suleiman@google.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Andrew Morton <akpm@linux-foundation.org>,
containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH -mmotm 1/5] memcg: disable irq at page cgroup lock
Date: Fri, 23 Apr 2010 22:57:06 +0200 [thread overview]
Message-ID: <1272056226.1821.41.camel@laptop> (raw)
In-Reply-To: <xr93k4rxx6sd.fsf@ninji.mtv.corp.google.com>
On Fri, 2010-04-23 at 13:17 -0700, Greg Thelen wrote:
> +static void mem_cgroup_begin_page_cgroup_reassignment(void)
> +{
> + VM_BUG_ON(mem_cgroup_account_move_ongoing);
> + mem_cgroup_account_move_ongoing = true;
> + synchronize_rcu();
> +}
btw, you know synchronize_rcu() is _really_ slow?
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next prev parent reply other threads:[~2010-04-23 20:57 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-14 23:26 [PATCH -mmotm 0/5] memcg: per cgroup dirty limit (v7) Andrea Righi
2010-03-14 23:26 ` [PATCH -mmotm 1/5] memcg: disable irq at page cgroup lock Andrea Righi
2010-03-15 0:06 ` KAMEZAWA Hiroyuki
2010-03-15 10:00 ` Andrea Righi
2010-03-17 7:04 ` Balbir Singh
2010-03-17 11:58 ` Balbir Singh
2010-03-17 23:54 ` KAMEZAWA Hiroyuki
2010-03-18 0:45 ` KAMEZAWA Hiroyuki
2010-03-18 2:16 ` Daisuke Nishimura
2010-03-18 2:58 ` KAMEZAWA Hiroyuki
2010-03-18 5:12 ` Balbir Singh
2010-03-18 4:19 ` Balbir Singh
2010-03-18 4:21 ` KAMEZAWA Hiroyuki
2010-03-18 6:25 ` Balbir Singh
2010-03-18 4:35 ` KAMEZAWA Hiroyuki
2010-03-18 16:28 ` Balbir Singh
2010-03-19 1:23 ` KAMEZAWA Hiroyuki
2010-03-19 2:40 ` Balbir Singh
2010-03-19 3:00 ` KAMEZAWA Hiroyuki
[not found] ` <xr93hbnepmj6.fsf@ninji.mtv.corp.google.com>
2010-04-14 6:55 ` Greg Thelen
2010-04-14 9:29 ` KAMEZAWA Hiroyuki
2010-04-14 14:04 ` Vivek Goyal
2010-04-14 19:31 ` Greg Thelen
2010-04-15 0:14 ` KAMEZAWA Hiroyuki
2010-04-14 16:22 ` Greg Thelen
2010-04-15 0:22 ` KAMEZAWA Hiroyuki
2010-04-14 14:05 ` Vivek Goyal
2010-04-14 20:14 ` Greg Thelen
2010-04-15 2:40 ` Daisuke Nishimura
2010-04-15 4:48 ` Greg Thelen
2010-04-15 6:21 ` Daisuke Nishimura
2010-04-15 6:38 ` Greg Thelen
2010-04-15 6:54 ` KAMEZAWA Hiroyuki
2010-04-23 20:17 ` Greg Thelen
2010-04-23 20:54 ` Peter Zijlstra
2010-04-24 15:53 ` Greg Thelen
2010-04-23 20:57 ` Peter Zijlstra [this message]
2010-04-24 2:22 ` KAMEZAWA Hiroyuki
2010-04-23 21:19 ` Peter Zijlstra
2010-04-24 2:19 ` KAMEZAWA Hiroyuki
2010-04-14 14:44 ` Balbir Singh
2010-03-14 23:26 ` [PATCH -mmotm 2/5] memcg: dirty memory documentation Andrea Righi
2010-03-16 7:41 ` Daisuke Nishimura
2010-03-17 17:48 ` Greg Thelen
2010-03-17 19:02 ` Balbir Singh
2010-03-17 22:43 ` Andrea Righi
2010-03-14 23:26 ` [PATCH -mmotm 3/5] page_cgroup: introduce file cache flags Andrea Righi
2010-03-14 23:26 ` [PATCH -mmotm 4/5] memcg: dirty pages accounting and limiting infrastructure Andrea Righi
2010-03-15 2:26 ` KAMEZAWA Hiroyuki
2010-03-16 2:32 ` Daisuke Nishimura
2010-03-16 14:11 ` Vivek Goyal
2010-03-16 15:09 ` Daisuke Nishimura
2010-03-17 22:37 ` Andrea Righi
2010-03-17 22:52 ` Andrea Righi
2010-03-18 6:48 ` Greg Thelen
2010-03-14 23:26 ` [PATCH -mmotm 5/5] memcg: dirty pages instrumentation Andrea Righi
2010-03-15 2:31 ` KAMEZAWA Hiroyuki
2010-03-15 2:36 ` [PATCH -mmotm 0/5] memcg: per cgroup dirty limit (v7) KAMEZAWA Hiroyuki
2010-03-15 10:02 ` Andrea Righi
2010-03-15 17:12 ` Vivek Goyal
2010-03-15 17:19 ` Vivek Goyal
2010-03-17 11:54 ` Balbir Singh
2010-03-17 13:34 ` Vivek Goyal
2010-03-17 18:53 ` Balbir Singh
2010-03-17 19:15 ` Vivek Goyal
2010-03-17 19:17 ` Balbir Singh
2010-03-17 19:48 ` Vivek Goyal
2010-03-17 6:44 ` Balbir Singh
-- strict thread matches above, loose matches on Subject: below --
2010-03-09 23:00 [PATCH -mmotm 0/5] memcg: per cgroup dirty limit (v6) Andrea Righi
2010-03-09 23:00 ` [PATCH -mmotm 1/5] memcg: disable irq at page cgroup lock Andrea Righi
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