linux-kernel - Re: [PATCH 7/8] Use TASK_KILLABLE instead TASK

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: <4B264FE9.4060901@redhat.com>
Date:	Mon, 14 Dec 2009 09:47:05 -0500
From:	Rik van Riel <riel@...hat.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	lwoodman@...hat.com, akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, minchan.kim@...il.com
Subject: Re: [PATCH 7/8] Use TASK_KILLABLE instead TASK_UNINTERRUPTIBLE

On 12/14/2009 07:32 AM, KOSAKI Motohiro wrote:
> When fork bomb invoke OOM Killer, almost task might start to reclaim and
> sleep on shrink_zone_begin(). if we use TASK_UNINTERRUPTIBLE, OOM killer
> can't kill such task. it mean we never recover from fork bomb.
>
> This patch fixes it.
>
> Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@...fujitsu.com>

As with patch 4/8 I am not convinced that wake_up_all is
the correct thing to do.

Other than that:

Reviewed-by: Rik van Riel <riel@...hat.com>

-- 
All rights reversed.
--
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/