From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Christoph Lameter <cl@linux-foundation.org>,
yanmin.zhang@intel.com, Wu Fengguang <fengguang.wu@intel.com>,
linuxram@us.ibm.com, linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/4] Properly account for the number of page cache pages zone_reclaim() can reclaim
Date: Tue, 09 Jun 2009 14:15:02 -0400 [thread overview]
Message-ID: <4A2EA6A6.30003@redhat.com> (raw)
In-Reply-To: <1244566904-31470-2-git-send-email-mel@csn.ul.ie>
Mel Gorman wrote:
> This patch alters how zone_reclaim() works out how many pages it might be
> able to reclaim given the current reclaim_mode. If RECLAIM_SWAP is set
> in the reclaim_mode it will either consider NR_FILE_PAGES as potential
> candidates or else use NR_{IN}ACTIVE}_PAGES-NR_FILE_MAPPED to discount
> swapcache and other non-file-backed pages. If RECLAIM_WRITE is not set,
> then NR_FILE_DIRTY number of pages are not candidates. If RECLAIM_SWAP is
> not set, then NR_FILE_MAPPED are not.
>
> Signed-off-by: Mel Gorman <mel@csn.ul.ie>
> Acked-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Christoph Lameter <cl@linux-foundation.org>,
yanmin.zhang@intel.com, Wu Fengguang <fengguang.wu@intel.com>,
linuxram@us.ibm.com, linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/4] Properly account for the number of page cache pages zone_reclaim() can reclaim
Date: Tue, 09 Jun 2009 14:15:02 -0400 [thread overview]
Message-ID: <4A2EA6A6.30003@redhat.com> (raw)
In-Reply-To: <1244566904-31470-2-git-send-email-mel@csn.ul.ie>
Mel Gorman wrote:
> This patch alters how zone_reclaim() works out how many pages it might be
> able to reclaim given the current reclaim_mode. If RECLAIM_SWAP is set
> in the reclaim_mode it will either consider NR_FILE_PAGES as potential
> candidates or else use NR_{IN}ACTIVE}_PAGES-NR_FILE_MAPPED to discount
> swapcache and other non-file-backed pages. If RECLAIM_WRITE is not set,
> then NR_FILE_DIRTY number of pages are not candidates. If RECLAIM_SWAP is
> not set, then NR_FILE_MAPPED are not.
>
> Signed-off-by: Mel Gorman <mel@csn.ul.ie>
> Acked-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
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All rights reversed.
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next prev parent reply other threads:[~2009-06-09 18:16 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-09 17:01 [PATCH 0/4] [RFC] Functional fix to zone_reclaim() and bring behaviour more in line with expectations V2 Mel Gorman
2009-06-09 17:01 ` Mel Gorman
2009-06-09 17:01 ` [PATCH 1/4] Properly account for the number of page cache pages zone_reclaim() can reclaim Mel Gorman
2009-06-09 17:01 ` Mel Gorman
2009-06-09 18:15 ` Rik van Riel [this message]
2009-06-09 18:15 ` Rik van Riel
2009-06-10 1:19 ` Wu Fengguang
2009-06-10 1:19 ` Wu Fengguang
2009-06-10 7:31 ` KOSAKI Motohiro
2009-06-10 7:31 ` KOSAKI Motohiro
2009-06-10 10:31 ` Mel Gorman
2009-06-10 10:31 ` Mel Gorman
2009-06-10 11:59 ` Wu Fengguang
2009-06-10 11:59 ` Wu Fengguang
2009-06-10 13:41 ` Mel Gorman
2009-06-10 13:41 ` Mel Gorman
2009-06-10 22:42 ` Ram Pai
2009-06-10 22:42 ` Ram Pai
2009-06-11 13:52 ` Mel Gorman
2009-06-11 13:52 ` Mel Gorman
2009-06-11 1:29 ` Wu Fengguang
2009-06-11 1:29 ` Wu Fengguang
2009-06-11 3:26 ` KOSAKI Motohiro
2009-06-11 3:26 ` KOSAKI Motohiro
2009-06-09 17:01 ` [PATCH 2/4] Do not unconditionally treat zones that fail zone_reclaim() as full Mel Gorman
2009-06-09 17:01 ` Mel Gorman
2009-06-09 18:11 ` Rik van Riel
2009-06-09 18:11 ` Rik van Riel
2009-06-10 1:52 ` KOSAKI Motohiro
2009-06-10 1:52 ` KOSAKI Motohiro
2009-06-09 17:01 ` [PATCH 3/4] Count the number of times zone_reclaim() scans and fails Mel Gorman
2009-06-09 17:01 ` Mel Gorman
2009-06-09 18:56 ` Rik van Riel
2009-06-09 18:56 ` Rik van Riel
2009-06-10 1:47 ` KOSAKI Motohiro
2009-06-10 1:47 ` KOSAKI Motohiro
2009-06-10 10:36 ` Mel Gorman
2009-06-10 10:36 ` Mel Gorman
2009-06-10 2:10 ` Wu Fengguang
2009-06-10 2:10 ` Wu Fengguang
2009-06-10 10:40 ` Mel Gorman
2009-06-10 10:40 ` Mel Gorman
2009-06-09 17:01 ` [PATCH 4/4] Reintroduce zone_reclaim_interval for when zone_reclaim() scans and fails to avoid CPU spinning at 100% on NUMA Mel Gorman
2009-06-09 17:01 ` Mel Gorman
2009-06-10 1:53 ` KOSAKI Motohiro
2009-06-10 1:53 ` KOSAKI Motohiro
2009-06-10 5:54 ` Andrew Morton
2009-06-10 5:54 ` Andrew Morton
2009-06-10 10:48 ` Mel Gorman
2009-06-10 10:48 ` Mel Gorman
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