From: Rik van Riel <riel@redhat.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>,
Wu Fengguang <fengguang.wu@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH 4/5] add isolate pages vmstat
Date: Tue, 07 Jul 2009 13:23:48 -0400 [thread overview]
Message-ID: <4A5384A4.7060108@redhat.com> (raw)
In-Reply-To: <alpine.DEB.1.10.0907071248560.5124@gentwo.org>
Christoph Lameter wrote:
> On Tue, 7 Jul 2009, KOSAKI Motohiro wrote:
>
>> +++ b/include/linux/mmzone.h
>> @@ -100,6 +100,8 @@ enum zone_stat_item {
>> NR_BOUNCE,
>> NR_VMSCAN_WRITE,
>> NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */
>> + NR_ISOLATED_ANON, /* Temporary isolated pages from anon lru */
>> + NR_ISOLATED_FILE, /* Temporary isolated pages from file lru */
>
> LRU counters are rarer in use then the counters used for dirty pages etc.
>
> Could you move the counters for reclaim into a separate cacheline?
I don't get the point of that - these counters are
per-cpu anyway, so why would they need to be in a
separate cacheline?
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>,
Wu Fengguang <fengguang.wu@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH 4/5] add isolate pages vmstat
Date: Tue, 07 Jul 2009 13:23:48 -0400 [thread overview]
Message-ID: <4A5384A4.7060108@redhat.com> (raw)
In-Reply-To: <alpine.DEB.1.10.0907071248560.5124@gentwo.org>
Christoph Lameter wrote:
> On Tue, 7 Jul 2009, KOSAKI Motohiro wrote:
>
>> +++ b/include/linux/mmzone.h
>> @@ -100,6 +100,8 @@ enum zone_stat_item {
>> NR_BOUNCE,
>> NR_VMSCAN_WRITE,
>> NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */
>> + NR_ISOLATED_ANON, /* Temporary isolated pages from anon lru */
>> + NR_ISOLATED_FILE, /* Temporary isolated pages from file lru */
>
> LRU counters are rarer in use then the counters used for dirty pages etc.
>
> Could you move the counters for reclaim into a separate cacheline?
I don't get the point of that - these counters are
per-cpu anyway, so why would they need to be in a
separate cacheline?
--
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next prev parent reply other threads:[~2009-07-07 17:24 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-05 9:22 [PATCH 0/5] OOM analysis helper patches KOSAKI Motohiro
2009-07-05 9:22 ` KOSAKI Motohiro
2009-07-05 9:23 ` [PATCH 1/5] add per-zone statistics to show_free_areas() KOSAKI Motohiro
2009-07-05 9:23 ` KOSAKI Motohiro
2009-07-05 11:05 ` Wu Fengguang
2009-07-05 11:05 ` Wu Fengguang
2009-07-05 11:09 ` KOSAKI Motohiro
2009-07-05 11:09 ` KOSAKI Motohiro
2009-07-05 11:14 ` Wu Fengguang
2009-07-05 11:14 ` Wu Fengguang
2009-07-07 16:33 ` Christoph Lameter
2009-07-07 16:33 ` Christoph Lameter
2009-07-05 9:24 ` [PATCH 2/5] add buffer cache information " KOSAKI Motohiro
2009-07-05 9:24 ` KOSAKI Motohiro
2009-07-05 11:21 ` Wu Fengguang
2009-07-05 11:21 ` Wu Fengguang
2009-07-05 11:31 ` KOSAKI Motohiro
2009-07-05 11:31 ` KOSAKI Motohiro
2009-07-05 12:07 ` Wu Fengguang
2009-07-05 12:07 ` Wu Fengguang
2009-07-05 14:16 ` Minchan Kim
2009-07-05 14:16 ` Minchan Kim
2009-07-06 4:24 ` KOSAKI Motohiro
2009-07-06 4:24 ` KOSAKI Motohiro
2009-07-05 9:24 ` [PATCH 3/5] Show kernel stack usage to /proc/meminfo and OOM log KOSAKI Motohiro
2009-07-05 9:24 ` KOSAKI Motohiro
2009-07-07 16:37 ` Christoph Lameter
2009-07-07 16:37 ` Christoph Lameter
2009-07-09 2:13 ` KOSAKI Motohiro
2009-07-09 2:13 ` KOSAKI Motohiro
2009-07-09 21:00 ` Christoph Lameter
2009-07-09 21:00 ` Christoph Lameter
2009-07-05 9:25 ` [PATCH 4/5] add isolate pages vmstat KOSAKI Motohiro
2009-07-05 9:25 ` KOSAKI Motohiro
2009-07-05 12:10 ` Wu Fengguang
2009-07-05 12:10 ` Wu Fengguang
2009-07-05 12:23 ` KOSAKI Motohiro
2009-07-05 12:23 ` KOSAKI Motohiro
2009-07-05 14:51 ` Minchan Kim
2009-07-05 14:51 ` Minchan Kim
2009-07-06 9:28 ` KOSAKI Motohiro
2009-07-06 9:28 ` KOSAKI Motohiro
2009-07-06 11:55 ` KOSAKI Motohiro
2009-07-06 11:55 ` KOSAKI Motohiro
2009-07-07 0:01 ` Minchan Kim
2009-07-07 0:01 ` Minchan Kim
2009-07-07 0:07 ` KOSAKI Motohiro
2009-07-07 0:07 ` KOSAKI Motohiro
2009-07-07 1:19 ` KOSAKI Motohiro
2009-07-07 1:19 ` KOSAKI Motohiro
2009-07-07 1:48 ` Minchan Kim
2009-07-07 1:48 ` Minchan Kim
2009-07-07 2:12 ` KOSAKI Motohiro
2009-07-07 2:12 ` KOSAKI Motohiro
2009-07-07 2:31 ` Minchan Kim
2009-07-07 2:31 ` Minchan Kim
2009-07-07 3:02 ` Rik van Riel
2009-07-07 3:02 ` Rik van Riel
2009-07-07 13:51 ` Wu Fengguang
2009-07-07 13:51 ` Wu Fengguang
2009-07-07 16:49 ` Christoph Lameter
2009-07-07 16:49 ` Christoph Lameter
2009-07-07 17:23 ` Rik van Riel [this message]
2009-07-07 17:23 ` Rik van Riel
2009-07-07 23:32 ` Christoph Lameter
2009-07-07 23:32 ` Christoph Lameter
2009-07-09 2:19 ` KOSAKI Motohiro
2009-07-09 2:19 ` KOSAKI Motohiro
2009-07-09 21:00 ` Christoph Lameter
2009-07-09 21:00 ` Christoph Lameter
2009-07-07 16:46 ` Christoph Lameter
2009-07-07 16:46 ` Christoph Lameter
2009-07-08 1:44 ` Wu Fengguang
2009-07-08 1:44 ` Wu Fengguang
2009-07-05 9:26 ` [PATCH 5/5] add NR_ANON_PAGES to OOM log KOSAKI Motohiro
2009-07-05 9:26 ` KOSAKI Motohiro
2009-07-05 12:13 ` Wu Fengguang
2009-07-05 12:13 ` Wu Fengguang
2009-07-05 12:21 ` KOSAKI Motohiro
2009-07-05 12:21 ` KOSAKI Motohiro
2009-07-05 13:02 ` Wu Fengguang
2009-07-05 13:02 ` Wu Fengguang
2009-07-05 13:19 ` KOSAKI Motohiro
2009-07-05 13:19 ` KOSAKI Motohiro
2009-07-05 15:04 ` Minchan Kim
2009-07-05 15:04 ` Minchan Kim
2009-07-05 15:16 ` Wu Fengguang
2009-07-05 15:16 ` Wu Fengguang
2009-07-05 15:27 ` Minchan Kim
2009-07-05 15:27 ` Minchan Kim
2009-07-07 16:53 ` Christoph Lameter
2009-07-07 16:53 ` Christoph Lameter
2009-07-09 5:50 ` KOSAKI Motohiro
2009-07-09 5:50 ` KOSAKI Motohiro
2009-07-09 7:20 ` KOSAKI Motohiro
2009-07-09 7:20 ` KOSAKI Motohiro
2009-07-09 10:27 ` Minchan Kim
2009-07-09 10:27 ` Minchan Kim
2009-07-07 1:22 ` KOSAKI Motohiro
2009-07-07 1:22 ` KOSAKI Motohiro
2009-07-07 10:54 ` Wu Fengguang
2009-07-07 10:54 ` Wu Fengguang
2009-07-07 13:56 ` Wu Fengguang
2009-07-07 13:56 ` Wu Fengguang
2009-07-09 5:13 ` KOSAKI Motohiro
2009-07-09 5:13 ` KOSAKI Motohiro
-- strict thread matches above, loose matches on Subject: below --
2009-07-09 8:05 [PATCH 0/5] OOM analysis helper patch series v2 KOSAKI Motohiro
2009-07-09 8:14 ` [PATCH 4/5] add isolate pages vmstat KOSAKI Motohiro
2009-07-09 8:14 ` KOSAKI Motohiro
2009-07-09 10:22 ` Minchan Kim
2009-07-09 10:22 ` Minchan Kim
2009-07-09 20:43 ` Christoph Lameter
2009-07-09 20:43 ` Christoph Lameter
2009-07-10 2:11 ` KOSAKI Motohiro
2009-07-10 2:11 ` KOSAKI Motohiro
2009-07-10 18:48 ` Christoph Lameter
2009-07-10 18:48 ` Christoph Lameter
2009-07-13 1:50 ` KOSAKI Motohiro
2009-07-13 1:50 ` KOSAKI Motohiro
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