From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Randy Dunlap <randy.dunlap@oracle.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"nishimura@mxp.nes.nec.co.jp" <nishimura@mxp.nes.nec.co.jp>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] memcg: update documentation v5
Date: Tue, 13 Apr 2010 20:38:43 +0530 [thread overview]
Message-ID: <20100413150843.GI3994@balbir.in.ibm.com> (raw)
In-Reply-To: <20100413140302.GB4493@redhat.com>
* Vivek Goyal <vgoyal@redhat.com> [2010-04-13 10:03:02]:
> On Tue, Apr 13, 2010 at 09:57:18AM -0400, Vivek Goyal wrote:
> > On Tue, Apr 13, 2010 at 01:45:53PM +0900, KAMEZAWA Hiroyuki wrote:
> >
>
> Typed wrong email id last time and mail bounced. So here is another
> attempt.
>
> > [..]
> > > -2. Locking
> > > +2.6 Locking
> > >
> > > -The memory controller uses the following hierarchy
> > > + lock_page_cgroup()/unlock_page_cgroup() should not be called under
> > > + mapping->tree_lock.
> > >
> >
> > Because I never understood very well, I will ask. Why lock_page_cgroup()
> > should not be called under mapping->tree_lock?
> >
The closest reference I can find to a conversation regarding this is
http://linux.derkeiler.com/Mailing-Lists/Kernel/2009-05/msg05158.html
--
Three Cheers,
Balbir
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next prev parent reply other threads:[~2010-04-13 15:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 5:58 [PATCH] memcg: update documentation v3 KAMEZAWA Hiroyuki
2010-04-08 17:32 ` Randy Dunlap
2010-04-08 23:50 ` KAMEZAWA Hiroyuki
2010-04-09 1:26 ` Daisuke Nishimura
2010-04-09 1:45 ` KAMEZAWA Hiroyuki
2010-04-09 2:11 ` Daisuke Nishimura
2010-04-09 3:01 ` KAMEZAWA Hiroyuki
2010-04-09 4:45 ` [PATCH] memcg: update documentation v4 KAMEZAWA Hiroyuki
2010-04-09 5:50 ` Daisuke Nishimura
2010-04-09 17:04 ` Randy Dunlap
2010-04-13 4:45 ` [PATCH] memcg: update documentation v5 KAMEZAWA Hiroyuki
2010-04-13 6:04 ` Balbir Singh
2010-04-13 6:20 ` KAMEZAWA Hiroyuki
2010-04-13 6:48 ` Balbir Singh
2010-04-13 6:58 ` [PATCH] memcg: update documentation v6 KAMEZAWA Hiroyuki
2010-04-13 15:54 ` Randy Dunlap
2010-04-14 1:22 ` [PATCH] memcg: update documentation v7 KAMEZAWA Hiroyuki
2010-04-14 18:11 ` Randy Dunlap
2010-04-15 0:34 ` [PATCH] memcg: update documentation v8 KAMEZAWA Hiroyuki
2010-04-15 15:48 ` Randy Dunlap
2010-04-13 13:57 ` [PATCH] memcg: update documentation v5 Vivek Goyal
2010-04-13 14:03 ` Vivek Goyal
2010-04-13 15:08 ` Balbir Singh [this message]
2010-04-13 15:16 ` Vivek Goyal
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