linux-kernel - Re: 2.6.28-rc8 big regression in VM

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Message-ID: <20081217123307.GF4480@ics.muni.cz>
Date:	Wed, 17 Dec 2008 13:33:07 +0100
From:	Lukas Hejtmanek <xhejtman@....muni.cz>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Bill Davidsen <davidsen@....com>
Subject: Re: 2.6.28-rc8 big regression in VM

On Wed, Dec 17, 2008 at 08:27:26PM +0800, Wu Fengguang wrote:
> It looks like most of cached pages were successfully freed:
> 
>         247788 => 69856 pages
> 
> To get more concrete numbers, could you send more info by running the
> following commands?
> 
> cp /proc/meminfo meminfo-1
> cp /proc/vmstat vmstat-1
> sync
> echo 3 > /proc/sys/vm/drop_caches
> cp /proc/meminfo meminfo-2
> cp /proc/vmstat vmstat-2

attached.

-- 
Lukáš Hejtmánek

View attachment "meminfo-1" of type "text/plain" (930 bytes)

View attachment "meminfo-2" of type "text/plain" (930 bytes)

View attachment "vmstat-1" of type "text/plain" (1255 bytes)

View attachment "vmstat-2" of type "text/plain" (1253 bytes)