linux-kernel - Re: memory-cgroup bug

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Message-ID: <20121126075656.GA17860@dhcp22.suse.cz>
Date:	Mon, 26 Nov 2012 08:57:07 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	azurIt <azurit@...ox.sk>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	cgroups mailinglist <cgroups@...r.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: memory-cgroup bug

On Mon 26-11-12 01:38:55, azurIt wrote:
> >This is hackish but it should help you in this case. Kamezawa, what do
> >you think about that? Should we generalize this and prepare something
> >like mem_cgroup_cache_charge_locked which would add __GFP_NORETRY
> >automatically and use the function whenever we are in a locked context?
> >To be honest I do not like this very much but nothing more sensible
> >(without touching non-memcg paths) comes to my mind.
> 
> 
> I installed kernel with this patch, will report back if problem occurs
> again OR in few weeks if everything will be ok. Thank you!

Thanks!

> Btw, will this patch be backported to 3.2?

Once we agree on a proper solution it will be backported to the stable
trees.

-- 
Michal Hocko
SUSE Labs
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