From: Johannes Weiner <hannes@cmpxchg.org>
To: Johannes Weiner <jweiner@redhat.com>
Cc: Konstantin Khlebnikov <khlebnikov@parallels.com>,
Pekka Enberg <penberg@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Wu Fengguang <fengguang.wu@intel.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mel@csn.ul.ie>,
Minchan Kim <minchan.kim@gmail.com>,
Gene Heskett <gene.heskett@gmail.com>
Subject: Re: [PATCH 1/2] vmscan: promote shared file mapped pages
Date: Wed, 2 Nov 2011 17:35:27 +0100 [thread overview]
Message-ID: <20111102163527.GK19965@cmpxchg.org> (raw)
In-Reply-To: <20111102163056.GG19965@redhat.com>
On Wed, Nov 02, 2011 at 05:30:56PM +0100, Johannes Weiner wrote:
> Tipping the balance for inactive list rotation has been there from the
> beginning, but I don't quite understand why. It probably was not a
> problem as the conditions for inactive cycling applied to both file
> and anon equally, but with used-once detection for file and deferred
> file writeback from direct reclaim, we tend to cycle more file pages
> on the inactive list than anonymous ones. Those rotated pages should
> be a signal to favor file reclaim, though.
[...] should NOT be a signal [...]
obviously. Sorry.
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: Johannes Weiner <jweiner@redhat.com>
Cc: Konstantin Khlebnikov <khlebnikov@parallels.com>,
Pekka Enberg <penberg@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Wu Fengguang <fengguang.wu@intel.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mel@csn.ul.ie>,
Minchan Kim <minchan.kim@gmail.com>,
Gene Heskett <gene.heskett@gmail.com>
Subject: Re: [PATCH 1/2] vmscan: promote shared file mapped pages
Date: Wed, 2 Nov 2011 17:35:27 +0100 [thread overview]
Message-ID: <20111102163527.GK19965@cmpxchg.org> (raw)
In-Reply-To: <20111102163056.GG19965@redhat.com>
On Wed, Nov 02, 2011 at 05:30:56PM +0100, Johannes Weiner wrote:
> Tipping the balance for inactive list rotation has been there from the
> beginning, but I don't quite understand why. It probably was not a
> problem as the conditions for inactive cycling applied to both file
> and anon equally, but with used-once detection for file and deferred
> file writeback from direct reclaim, we tend to cycle more file pages
> on the inactive list than anonymous ones. Those rotated pages should
> be a signal to favor file reclaim, though.
[...] should NOT be a signal [...]
obviously. Sorry.
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next prev parent reply other threads:[~2011-11-02 16:36 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-08 11:06 [PATCH 1/2] vmscan: promote shared file mapped pages Konstantin Khlebnikov
2011-08-08 11:06 ` Konstantin Khlebnikov
2011-08-08 11:07 ` [PATCH 2/2] vmscan: activate executable pages after first usage Konstantin Khlebnikov
2011-08-08 11:07 ` Konstantin Khlebnikov
2011-08-08 23:58 ` KAMEZAWA Hiroyuki
2011-08-08 23:58 ` KAMEZAWA Hiroyuki
2011-08-09 0:02 ` Minchan Kim
2011-08-09 0:02 ` Minchan Kim
2011-08-09 0:04 ` KAMEZAWA Hiroyuki
2011-08-09 0:04 ` KAMEZAWA Hiroyuki
2011-08-09 0:26 ` Minchan Kim
2011-08-09 0:26 ` Minchan Kim
2011-08-09 1:23 ` Shaohua Li
2011-08-09 1:23 ` Shaohua Li
2011-08-08 11:37 ` [PATCH 1/2] vmscan: promote shared file mapped pages Pekka Enberg
2011-08-08 11:37 ` Pekka Enberg
2011-08-08 12:18 ` Konstantin Khlebnikov
2011-08-08 12:18 ` Konstantin Khlebnikov
2011-08-08 12:40 ` Pekka Enberg
2011-08-08 12:40 ` Pekka Enberg
2011-08-08 12:51 ` Konstantin Khlebnikov
2011-08-08 12:51 ` Konstantin Khlebnikov
2011-08-18 9:09 ` Johannes Weiner
2011-08-18 9:09 ` Johannes Weiner
2011-11-02 16:30 ` Johannes Weiner
2011-11-02 16:30 ` Johannes Weiner
2011-11-02 16:31 ` [rfc 1/3] mm: vmscan: never swap under low memory pressure Johannes Weiner
2011-11-02 16:31 ` Johannes Weiner
2011-11-02 17:54 ` KOSAKI Motohiro
2011-11-02 17:54 ` KOSAKI Motohiro
2011-11-03 15:51 ` Johannes Weiner
2011-11-03 15:51 ` Johannes Weiner
2011-11-08 0:16 ` KOSAKI Motohiro
2011-11-08 0:16 ` KOSAKI Motohiro
2011-11-07 2:29 ` KAMEZAWA Hiroyuki
2011-11-07 2:29 ` KAMEZAWA Hiroyuki
2011-11-10 15:29 ` Johannes Weiner
2011-11-10 15:29 ` Johannes Weiner
2011-11-02 16:32 ` [rfc 2/3] mm: vmscan: treat inactive cycling as neutral Johannes Weiner
2011-11-02 16:32 ` Johannes Weiner
2011-11-02 18:04 ` KOSAKI Motohiro
2011-11-02 18:04 ` KOSAKI Motohiro
2011-11-03 12:49 ` Johannes Weiner
2011-11-03 12:49 ` Johannes Weiner
2011-11-07 2:34 ` KAMEZAWA Hiroyuki
2011-11-07 2:34 ` KAMEZAWA Hiroyuki
2011-11-10 16:06 ` Johannes Weiner
2011-11-10 16:06 ` Johannes Weiner
2011-11-11 0:05 ` KAMEZAWA Hiroyuki
2011-11-11 0:05 ` KAMEZAWA Hiroyuki
2011-11-02 16:32 ` [rfc 3/3] mm: vmscan: revert file list boost on lru addition Johannes Weiner
2011-11-02 16:32 ` Johannes Weiner
2011-11-07 2:45 ` KAMEZAWA Hiroyuki
2011-11-07 2:45 ` KAMEZAWA Hiroyuki
2011-11-10 16:12 ` Johannes Weiner
2011-11-10 16:12 ` Johannes Weiner
2011-11-02 16:35 ` Johannes Weiner [this message]
2011-11-02 16:35 ` [PATCH 1/2] vmscan: promote shared file mapped pages Johannes Weiner
2011-08-08 23:36 ` Minchan Kim
2011-08-08 23:36 ` Minchan Kim
2011-08-08 23:51 ` KAMEZAWA Hiroyuki
2011-08-08 23:51 ` KAMEZAWA Hiroyuki
2011-10-31 20:12 ` Andrew Morton
2011-10-31 20:12 ` Andrew Morton
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