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Message-ID: <4FE5E66C.6080309@redhat.com> Date: Sat, 23 Jun 2012 11:53:16 -0400 From: Rik van Riel <riel@...hat.com> To: Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com> CC: Minchan Kim <minchan@...nel.org>, John Stultz <john.stultz@...aro.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>, Mel Gorman <mgorman@...e.de>, KOSAKI Motohiro <kosaki.motohiro@...il.com>, Johannes Weiner <hannes@...xchg.org>, Andrea Arcangeli <aarcange@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, Anton Vorontsov <anton.vorontsov@...aro.org>, Pekka Enberg <penberg@...nel.org>, Wu Fengguang <fengguang.wu@...el.com>, Hugh Dickins <hughd@...gle.com> Subject: Re: RFC: Easy-Reclaimable LRU list On 06/23/2012 12:45 AM, Kamezawa Hiroyuki wrote: > I think this is interesting approach. Major concern is how to guarantee > EReclaimable > pages are really EReclaimable...Do you have any idea ? madviced pages > are really EReclaimable ? I suspect the EReclaimable pages can only be clean page cache pages that are not mapped by any processes. Once somebody tries to use the page, mark_page_accessed will move it to another list. > A (very) small concern is will you use one more page-flags for this ? ;) This could be an issue on a 32 bit system, true. -- All rights reversed -- 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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