linux-kernel - Re: [PATCH 5/5] add shmem vmstat

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, 10 Jul 2009 09:23:56 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Rik van Riel <riel@...hat.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>
Subject: Re: [PATCH 5/5] add shmem vmstat

On Thu, Jul 09, 2009 at 04:18:01PM +0800, KOSAKI Motohiro wrote:
> ChangeLog
>   Since v1
>    - Fixed misaccounting bug on page migration
> 
> ========================
> Subject: [PATCH] add shmem vmstat
> 
> Recently, We faced several OOM problem by plenty GEM cache. and generally,
> plenty Shmem/Tmpfs potentially makes memory shortage problem.
> 
> We often use following calculation to know shmem pages,
>   shmem = NR_ACTIVE_ANON + NR_INACTIVE_ANON - NR_ANON_PAGES
> but it is wrong expression. it doesn't consider isolated page and
> mlocked page.
> 
> Then, This patch make explicit Shmem/Tmpfs vm-stat accounting.
> 
> 
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>

Acked-by: Wu Fengguang <fengguang.wu@...el.com>

Thanks for the nice work!
--
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/