From: Tejun Heo <tj@kernel.org>
To: Michal Hocko <mhocko@suse.cz>
Cc: linux-mm@kvack.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org, Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Balbir Singh <bsingharora@gmail.com>
Subject: Re: [PATCH 1/6] memcg: split mem_cgroup_force_empty into reclaiming and reparenting parts
Date: Thu, 18 Oct 2012 14:56:07 -0700 [thread overview]
Message-ID: <20121018215607.GN13370@google.com> (raw)
In-Reply-To: <1350480648-10905-2-git-send-email-mhocko@suse.cz>
On Wed, Oct 17, 2012 at 03:30:43PM +0200, Michal Hocko wrote:
> mem_cgroup_force_empty did two separate things depending on free_all
> parameter from the very beginning. It either reclaimed as many pages as
> possible and moved the rest to the parent or just moved charges to the
> parent. The first variant is used as memory.force_empty callback while
> the later is used from the mem_cgroup_pre_destroy.
>
> The whole games around gotos are far from being nice and there is no
> reason to keep those two functions inside one. Let's split them and
> also move the responsibility for css reference counting to their callers
> to make to code easier.
>
> This patch doesn't have any functional changes.
>
> Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reviewed-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
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next prev parent reply other threads:[~2012-10-18 21:56 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-17 13:30 [RFC] memcg/cgroup: do not fail fail on pre_destroy callbacks Michal Hocko
2012-10-17 13:30 ` [PATCH 1/6] memcg: split mem_cgroup_force_empty into reclaiming and reparenting parts Michal Hocko
2012-10-18 21:56 ` Tejun Heo [this message]
2012-10-17 13:30 ` [PATCH 2/6] memcg: root_cgroup cannot reach mem_cgroup_move_parent Michal Hocko
2012-10-18 21:58 ` Tejun Heo
2012-10-17 13:30 ` [PATCH 3/6] memcg: Simplify mem_cgroup_force_empty_list error handling Michal Hocko
2012-10-18 22:16 ` Tejun Heo
2012-10-19 13:24 ` Michal Hocko
2012-10-19 19:49 ` Tejun Heo
2012-10-17 13:30 ` [PATCH 4/6] cgroups: forbid pre_destroy callback to fail Michal Hocko
2012-10-18 22:41 ` Tejun Heo
2012-10-18 22:46 ` Tejun Heo
2012-10-19 13:34 ` Michal Hocko
2012-10-19 13:32 ` Michal Hocko
2012-10-19 20:24 ` Tejun Heo
2012-10-22 10:30 ` Michal Hocko
2012-10-24 19:25 ` Tejun Heo
2012-10-25 14:37 ` Michal Hocko
2012-10-25 17:42 ` Tejun Heo
2012-10-25 18:48 ` Michal Hocko
2012-10-19 9:33 ` Li Zefan
2012-10-19 11:09 ` Michal Hocko
2012-10-19 20:17 ` Tejun Heo
2012-10-17 13:30 ` [PATCH 5/6] memcg: make mem_cgroup_reparent_charges non failing Michal Hocko
2012-10-18 8:30 ` Li Zefan
2012-10-18 8:42 ` Michal Hocko
2012-10-18 22:48 ` Tejun Heo
2012-10-19 13:49 ` Michal Hocko
2012-10-17 13:30 ` [PATCH 6/6] hugetlb: do not fail in hugetlb_cgroup_pre_destroy Michal Hocko
2012-10-18 22:48 ` Tejun Heo
2012-10-17 15:30 ` [RFC] memcg/cgroup: do not fail fail on pre_destroy callbacks Glauber Costa
2012-10-18 0:29 ` Kamezawa Hiroyuki
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