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Message-ID: <28c262361002181735w56ea868fmf778d3421bbecb31@mail.gmail.com> Date: Fri, 19 Feb 2010 10:35:38 +0900 From: Minchan Kim <minchan.kim@...il.com> To: Mel Gorman <mel@....ul.ie> Cc: Andrea Arcangeli <aarcange@...hat.com>, Christoph Lameter <cl@...ux-foundation.org>, Adam Litke <agl@...ibm.com>, Avi Kivity <avi@...hat.com>, David Rientjes <rientjes@...gle.com>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Rik van Riel <riel@...hat.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH 06/12] Export unusable free space index via /proc/pagetypeinfo On Fri, Feb 19, 2010 at 3:02 AM, Mel Gorman <mel@....ul.ie> wrote: > Unusuable free space index is a measure of external fragmentation that > takes the allocation size into account. For the most part, the huge page > size will be the size of interest but not necessarily so it is exported > on a per-order and per-zone basis via /proc/unusable_index. > > The index is a value between 0 and 1. It can be expressed as a > percentage by multiplying by 100 as documented in > Documentation/filesystems/proc.txt. > > Signed-off-by: Mel Gorman <mel@....ul.ie> Reviewed-by: Minchan Kim <minchan.kim@...il.com> -- Kind regards, Minchan Kim -- 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/
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