linux-kernel - Re: [RFC][PATCH 4/7 v2] memcg: use res_counter_uncharge_until in move

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]

Date:	Fri, 27 Apr 2012 11:20:18 -0700
From:	Tejun Heo <tj@...nel.org>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"cgroups@...r.kernel.org" <cgroups@...r.kernel.org>,
	Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Glauber Costa <glommer@...allels.com>,
	Han Ying <yinghan@...gle.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	kamezawa.hiroyuki@...il.com
Subject: Re: [RFC][PATCH 4/7 v2] memcg: use res_counter_uncharge_until in
 move_parent

On Fri, Apr 27, 2012 at 02:54:58PM +0900, KAMEZAWA Hiroyuki wrote:
> By using res_counter_uncharge_until(), we can avoid 
> unnecessary charging.
> 
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> ---
>  mm/memcontrol.c |   63 ++++++++++++++++++++++++++++++++++++------------------
>  1 files changed, 42 insertions(+), 21 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 613bb15..ed53d64 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -2420,6 +2420,24 @@ static void __mem_cgroup_cancel_charge(struct mem_cgroup *memcg,
>  }
>  
>  /*
> + * Cancel chages in this cgroup....doesn't propagates to parent cgroup.

             ^typo                                     ^ unnecessary s

-- 
tejun
--
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/