linux-kernel - Re: [PATCH] memcg: update documentation v5

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100413150843.GI3994@balbir.in.ibm.com>
Date:	Tue, 13 Apr 2010 20:38:43 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] memcg: update documentation v5

* Vivek Goyal <vgoyal@...hat.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/