From: Ben Gamari <bgamari.foss@gmail.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: kosaki.motohiro@jp.fujitsu.com,
Minchan Kim <minchan.kim@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Wu Fengguang <fengguang.wu@intel.com>,
Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Nick Piggin <npiggin@kernel.dk>, Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH v2 1/3] deactivate invalidated pages
Date: Sun, 28 Nov 2010 21:26:15 -0500 [thread overview]
Message-ID: <8739qk3lx4.fsf@gmail.com> (raw)
In-Reply-To: <20101129110848.82A8.A69D9226@jp.fujitsu.com>
On Mon, 29 Nov 2010 11:13:53 +0900 (JST), KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> I'm not againt DONT_NEED feature. I only said PG_reclaim trick is not
> so effective. Every feature has their own pros/cons. I think the cons
> is too big. Also, nobody have mesured PG_reclaim performance gain. Did you?
>
Not yet. Finally back from vacation here in the States. I'll try sitting
down to put together a test tonight.
- Ben
WARNING: multiple messages have this Message-ID (diff)
From: Ben Gamari <bgamari.foss@gmail.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Minchan Kim <minchan.kim@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Wu Fengguang <fengguang.wu@intel.com>,
Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Nick Piggin <npiggin@kernel.dk>, Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH v2 1/3] deactivate invalidated pages
Date: Sun, 28 Nov 2010 21:26:15 -0500 [thread overview]
Message-ID: <8739qk3lx4.fsf@gmail.com> (raw)
In-Reply-To: <20101129110848.82A8.A69D9226@jp.fujitsu.com>
On Mon, 29 Nov 2010 11:13:53 +0900 (JST), KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> I'm not againt DONT_NEED feature. I only said PG_reclaim trick is not
> so effective. Every feature has their own pros/cons. I think the cons
> is too big. Also, nobody have mesured PG_reclaim performance gain. Did you?
>
Not yet. Finally back from vacation here in the States. I'll try sitting
down to put together a test tonight.
- Ben
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next prev parent reply other threads:[~2010-11-29 2:26 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-28 15:02 [PATCH v2 1/3] deactivate invalidated pages Minchan Kim
2010-11-28 15:02 ` Minchan Kim
2010-11-28 15:02 ` [PATCH v2 2/3] move ClearPageReclaim Minchan Kim
2010-11-28 15:02 ` Minchan Kim
2010-11-29 4:25 ` Rik van Riel
2010-11-29 4:25 ` Rik van Riel
2010-11-29 7:29 ` Wu Fengguang
2010-11-29 7:29 ` Wu Fengguang
2010-11-29 8:16 ` Minchan Kim
2010-11-29 8:16 ` Minchan Kim
2010-11-29 8:26 ` Wu Fengguang
2010-11-29 8:26 ` Wu Fengguang
2010-11-28 15:02 ` [PATCH v2 3/3] Prevent promotion of page in madvise_dontneed Minchan Kim
2010-11-28 15:02 ` Minchan Kim
2010-11-29 4:28 ` Rik van Riel
2010-11-29 4:28 ` Rik van Riel
2010-11-29 4:30 ` Minchan Kim
2010-11-29 4:30 ` Minchan Kim
2010-11-28 15:13 ` [PATCH v2 1/3] deactivate invalidated pages Minchan Kim
2010-11-28 15:13 ` Minchan Kim
2010-11-28 19:02 ` Rik van Riel
2010-11-28 19:02 ` Rik van Riel
2010-11-29 0:33 ` KOSAKI Motohiro
2010-11-29 0:33 ` KOSAKI Motohiro
2010-11-29 1:58 ` Ben Gamari
2010-11-29 1:58 ` Ben Gamari
2010-11-29 2:13 ` KOSAKI Motohiro
2010-11-29 2:13 ` KOSAKI Motohiro
2010-11-29 2:26 ` Ben Gamari [this message]
2010-11-29 2:26 ` Ben Gamari
2010-11-29 2:13 ` Minchan Kim
2010-11-29 2:13 ` Minchan Kim
2010-11-29 2:35 ` KOSAKI Motohiro
2010-11-29 2:35 ` KOSAKI Motohiro
2010-11-29 7:49 ` Wu Fengguang
2010-11-29 7:49 ` Wu Fengguang
2010-11-29 8:09 ` Minchan Kim
2010-11-29 8:09 ` Minchan Kim
2010-11-29 12:07 ` Mel Gorman
2010-11-29 12:07 ` Mel Gorman
2010-11-29 15:28 ` Minchan Kim
2010-11-29 15:28 ` Minchan Kim
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