From: Michal Hocko <mhocko@suse.cz>
To: Jeff Liu <jeff.liu@oracle.com>
Cc: linux-mm@kvack.org, cgroups@vger.kernel.org,
Glauber Costa <glommer@parallels.com>
Subject: Re: [RFC PATCH 2/3] memcg: disable pages allocation for swap cgroup on system booting up
Date: Tue, 4 Dec 2012 12:22:22 +0100 [thread overview]
Message-ID: <20121204112222.GJ31319@dhcp22.suse.cz> (raw)
In-Reply-To: <20121204111721.GB1343@dhcp22.suse.cz>
On Tue 04-12-12 12:17:21, Michal Hocko wrote:
> On Tue 04-12-12 16:36:11, Jeff Liu wrote:
> > - Disable pages allocation for swap cgroup at system boot up stage.
> > - Perform page allocation if there have child memcg alive, because the user
> > might disabled one/more swap files/partitions for some reason.
> > - Introduce a couple of helpers to deal with page allocation/free for swap cgroup.
> > - Introduce a new static variable to indicate the status of child memcg create/remove.
>
> This approach doesn't work (unless I missed something). See bellow.
Wait a second I have missed that ctrl->map is already initialized.
Will get back to you...
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2012-12-04 11:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-04 8:35 [RFC PATCH 0/3] Disable swap cgroup allocation at system boot stage Jeff Liu
2012-12-04 8:35 ` [RFC PATCH 1/3] memcg: refactor pages allocation/free for swap_cgroup Jeff Liu
2012-12-04 10:11 ` Michal Hocko
2012-12-04 10:46 ` Jeff Liu
2012-12-04 8:36 ` [RFC PATCH 2/3] memcg: disable pages allocation for swap cgroup on system booting up Jeff Liu
2012-12-04 11:17 ` Michal Hocko
2012-12-04 11:22 ` Michal Hocko [this message]
2012-12-04 12:34 ` Michal Hocko
2012-12-04 12:51 ` Jeff Liu
2012-12-04 8:36 ` [RFC PATCH 3/3] memcg: allocate pages for swap cgroup until the first child memcg is alive Jeff Liu
2012-12-04 12:54 ` Michal Hocko
2012-12-04 13:14 ` Jeff Liu
2012-12-04 13:18 ` [RFC PATCH 0/3] Disable swap cgroup allocation at system boot stage Michal Hocko
2012-12-04 14:00 ` Jeff Liu
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