linux-kernel - Re: [patch] memcg: charged pages always have valid per-memcg zone info

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: <20110210084258.55e158fe.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Thu, 10 Feb 2011 08:42:58 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [patch] memcg: charged pages always have valid per-memcg zone
 info

On Wed,  9 Feb 2011 11:44:35 +0100
Johannes Weiner <hannes@...xchg.org> wrote:

> page_cgroup_zoneinfo() will never return NULL for a charged page,
> remove the check for it in mem_cgroup_get_reclaim_stat_from_page().
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

IIUC, this _was_ required when force_empty() had troubles.
But now, not required.

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

--
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/