From: Minchan Kim <minchan.kim@gmail.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH v3 05/10] vmscan: make isolate_lru_page with filter aware
Date: Fri, 10 Jun 2011 00:02:00 +0900 [thread overview]
Message-ID: <20110609150200.GD4878@barrios-laptop> (raw)
In-Reply-To: <20110609140453.GX5247@suse.de>
On Thu, Jun 09, 2011 at 03:04:53PM +0100, Mel Gorman wrote:
> On Tue, Jun 07, 2011 at 11:38:18PM +0900, Minchan Kim wrote:
> > In __zone_reclaim case, we don't want to shrink mapped page.
> > Nonetheless, we have isolated mapped page and re-add it into
> > LRU's head. It's unnecessary CPU overhead and makes LRU churning.
> >
>
> Gack, I should have keep reading. I didn't cop from the subject that
I should have used clear subject.
> __zone_reclaim would be updated. Still, it would have been easier to
> review if one patch introduced ISOLATE_CLEAN and updated the callers and
> this patch introduced ISOLATE_UNMAPPED and updated the relevant callers.
Agree. I will fix in later version.
>
> > <SNIP>
>
> --
> Mel Gorman
> SUSE Labs
--
Kind regards
Minchan Kim
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next prev parent reply other threads:[~2011-06-09 15:02 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-07 14:38 [PATCH v3 00/10] Prevent LRU churning Minchan Kim
2011-06-07 14:38 ` [PATCH v3 01/10] compaction: trivial clean up acct_isolated Minchan Kim
2011-06-09 13:33 ` Mel Gorman
2011-06-09 14:41 ` Minchan Kim
2011-06-09 14:47 ` Mel Gorman
2011-06-10 8:19 ` KOSAKI Motohiro
2011-06-12 14:24 ` Michal Hocko
2011-06-13 14:48 ` Minchan Kim
2011-06-07 14:38 ` [PATCH v3 02/10] Change isolate mode from int type to enum type Minchan Kim
2011-06-09 13:51 ` Mel Gorman
2011-06-09 14:56 ` Minchan Kim
2011-06-07 14:38 ` [PATCH v3 03/10] Add additional isolation mode Minchan Kim
2011-06-09 13:59 ` Mel Gorman
2011-06-09 15:00 ` Minchan Kim
2011-06-12 14:45 ` Michal Hocko
2011-06-13 14:54 ` Minchan Kim
2011-06-07 14:38 ` [PATCH v3 04/10] compaction: make isolate_lru_page with filter aware Minchan Kim
2011-06-09 14:03 ` Mel Gorman
2011-06-12 14:49 ` Michal Hocko
2011-06-07 14:38 ` [PATCH v3 05/10] vmscan: " Minchan Kim
2011-06-09 14:04 ` Mel Gorman
2011-06-09 15:02 ` Minchan Kim [this message]
2011-06-12 14:55 ` Michal Hocko
2011-06-13 1:04 ` KOSAKI Motohiro
2011-06-07 14:38 ` [PATCH v3 06/10] In order putback lru core Minchan Kim
2011-06-09 14:27 ` Mel Gorman
2011-06-09 15:15 ` Minchan Kim
2011-06-07 14:38 ` [PATCH v3 07/10] migration: clean up unmap_and_move Minchan Kim
2011-06-13 1:34 ` KOSAKI Motohiro
2011-06-07 14:38 ` [PATCH v3 08/10] migration: make in-order-putback aware Minchan Kim
2011-06-07 14:38 ` [PATCH v3 09/10] compaction: make compaction use in-order putback Minchan Kim
2011-06-07 14:38 ` [PATCH v3 10/10] add inorder-lru tracepoints for just measurement Minchan Kim
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