From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 99D776B00C6 for ; Fri, 7 Jan 2011 17:07:10 -0500 (EST) From: Satoru Moriya Date: Fri, 7 Jan 2011 17:04:58 -0500 Subject: [RFC][PATCH 1/2] Add explanation about min_free_kbytes to clarify its effect Message-ID: <65795E11DBF1E645A09CEC7EAEE94B9C3A30A297@USINDEVS02.corp.hds.com> References: <65795E11DBF1E645A09CEC7EAEE94B9C3A30A295@USINDEVS02.corp.hds.com> In-Reply-To: <65795E11DBF1E645A09CEC7EAEE94B9C3A30A295@USINDEVS02.corp.hds.com> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org To: "linux-mm@kvack.org" Cc: "linux-kernel@vger.kernel.org" , "linux-doc@vger.kernel.org" , "akpm@linux-foundation.org" , "mel@csn.ul.ie" , "kosaki.motohiro@jp.fujitsu.com" , "rdunlap@xenotime.net" , "dle-develop@lists.sourceforge.net" , Seiji Aguchi List-ID: Document that changing min_free_kbytes affects not only watermark[min] but also watermark[low,high]. Signed-off-by: Satoru Moriya --- Documentation/sysctl/vm.txt | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) 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: =20 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. =20 --=20 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org