From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id B07AC6B0047 for ; Thu, 18 Feb 2010 20:59:46 -0500 (EST) Received: by pxi31 with SMTP id 31so4433445pxi.26 for ; Thu, 18 Feb 2010 17:59:45 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <1266516162-14154-8-git-send-email-mel@csn.ul.ie> References: <1266516162-14154-1-git-send-email-mel@csn.ul.ie> <1266516162-14154-8-git-send-email-mel@csn.ul.ie> Date: Fri, 19 Feb 2010 10:59:45 +0900 Message-ID: <28c262361002181759m35c0fd73k5f252953b4d0932@mail.gmail.com> Subject: Re: [PATCH 07/12] Export fragmentation index via /proc/pagetypeinfo From: Minchan Kim Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , KOSAKI Motohiro , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Fri, Feb 19, 2010 at 3:02 AM, Mel Gorman wrote: > Fragmentation index is a value that makes sense when an allocation of a > given size would fail. The index indicates whether an allocation failure = is > due to a lack of memory (values towards 0) or due to external fragmentati= on > (value towards 1). =C2=A0For the most part, the huge page size will be th= e size > of interest but not necessarily so it is exported on a per-order and per-= zone > basis via /proc/pagetypeinfo. > > Signed-off-by: Mel Gorman Reviewed-by: Minchan Kim --=20 Kind regards, Minchan Kim -- 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/ . Don't email: email@kvack.org