From: David Rientjes <rientjes@google.com>
To: Satoru Moriya <satoru.moriya@hds.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Randy Dunlap <rdunlap@xenotime.net>,
dle-develop@lists.sourceforge.net,
Seiji Aguchi <seiji.aguchi@hds.com>
Subject: Re: [RFC][PATCH 1/2] Add explanation about min_free_kbytes to clarify its effect
Date: Fri, 7 Jan 2011 14:27:51 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1101071426010.23818@chino.kir.corp.google.com> (raw)
In-Reply-To: <65795E11DBF1E645A09CEC7EAEE94B9C3A30A297@USINDEVS02.corp.hds.com>
On Fri, 7 Jan 2011, Satoru Moriya wrote:
> diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
> index 30289fa..e10b279 100644
> --- a/Documentation/sysctl/vm.txt
> +++ b/Documentation/sysctl/vm.txt
> @@ -349,7 +349,8 @@ min_free_kbytes:
>
> This is used to force the Linux VM to keep a minimum number
> of kilobytes free. The VM uses this number to compute a
> -watermark[WMARK_MIN] value for each lowmem zone in the system.
> +watermark[WMARK_MIN] for each lowmem zone and
> +watermark[WMARK_LOW/WMARK_HIGH] for each zone in the system.
> Each lowmem zone gets a number of reserved free pages based
> proportionally on its size.
>
WMARK_MIN is changed for all zones.
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next prev parent reply other threads:[~2011-01-07 22:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-07 22:03 [RFC][PATCH 0/2] Tunable watermark Satoru Moriya
2011-01-07 22:04 ` [RFC][PATCH 1/2] Add explanation about min_free_kbytes to clarify its effect Satoru Moriya
2011-01-07 22:27 ` David Rientjes [this message]
2011-01-07 22:07 ` [RFC][PATCH 2/2] Make watermarks tunable separately Satoru Moriya
2011-01-07 22:23 ` [RFC][PATCH 0/2] Tunable watermark David Rientjes
2011-01-07 22:35 ` Ying Han
2011-01-07 22:39 ` David Rientjes
2011-01-13 22:05 ` Satoru Moriya
2011-01-13 22:24 ` David Rientjes
2011-01-13 22:05 ` Satoru Moriya
2011-01-13 22:20 ` David Rientjes
2011-01-21 0:16 ` Rik van Riel
2011-02-10 18:30 ` Satoru Moriya
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