From: Rik van Riel <riel@redhat.com>
To: nai.xia@gmail.com
Cc: Johannes Weiner <hannes@cmpxchg.org>,
linux-mm@kvack.org, Andrea Arcangeli <aarcange@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan.kim@gmail.com>,
Hugh Dickins <hughd@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 0/5] refault distance-based file cache sizing
Date: Fri, 18 May 2012 11:07:36 -0400 [thread overview]
Message-ID: <4FB665B8.8000300@redhat.com> (raw)
In-Reply-To: <4FB5C5A7.6080000@gmail.com>
On 05/17/2012 11:44 PM, Nai Xia wrote:
> But I do think that Clock-pro deserves its credit, since after all
> it's that research work firstly brought the idea of "refault/reuse
> distance" to the kernel community.
The ARC people did that, too.
> Further more, it's also good
> to let the researchers and the community to together have some
> brain-storm of this problem if it's really hard to deal with in
> reality.
How much are researchers interested in the real world
constraints that OS developers have to deal with?
Often scalability is as much of a goal as being good
at selecting the right page to replace...
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WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: nai.xia@gmail.com
Cc: Johannes Weiner <hannes@cmpxchg.org>,
linux-mm@kvack.org, Andrea Arcangeli <aarcange@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan.kim@gmail.com>,
Hugh Dickins <hughd@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 0/5] refault distance-based file cache sizing
Date: Fri, 18 May 2012 11:07:36 -0400 [thread overview]
Message-ID: <4FB665B8.8000300@redhat.com> (raw)
In-Reply-To: <4FB5C5A7.6080000@gmail.com>
On 05/17/2012 11:44 PM, Nai Xia wrote:
> But I do think that Clock-pro deserves its credit, since after all
> it's that research work firstly brought the idea of "refault/reuse
> distance" to the kernel community.
The ARC people did that, too.
> Further more, it's also good
> to let the researchers and the community to together have some
> brain-storm of this problem if it's really hard to deal with in
> reality.
How much are researchers interested in the real world
constraints that OS developers have to deal with?
Often scalability is as much of a goal as being good
at selecting the right page to replace...
--
All rights reversed
next prev parent reply other threads:[~2012-05-18 15:07 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-01 8:41 [patch 0/5] refault distance-based file cache sizing Johannes Weiner
2012-05-01 8:41 ` Johannes Weiner
2012-05-01 8:41 ` [patch 1/5] mm: readahead: move radix tree hole searching here Johannes Weiner
2012-05-01 8:41 ` Johannes Weiner
2012-05-01 21:06 ` Rik van Riel
2012-05-01 21:06 ` Rik van Riel
2012-05-01 8:41 ` [patch 2/5] mm + fs: prepare for non-page entries in page cache Johannes Weiner
2012-05-01 8:41 ` Johannes Weiner
2012-05-01 19:02 ` Andrew Morton
2012-05-01 19:02 ` Andrew Morton
2012-05-01 20:15 ` Johannes Weiner
2012-05-01 20:15 ` Johannes Weiner
2012-05-01 20:24 ` Andrew Morton
2012-05-01 20:24 ` Andrew Morton
2012-05-01 21:14 ` Rik van Riel
2012-05-01 21:14 ` Rik van Riel
2012-05-01 21:29 ` Johannes Weiner
2012-05-01 21:29 ` Johannes Weiner
2012-05-01 8:41 ` [patch 3/5] mm + fs: store shadow pages " Johannes Weiner
2012-05-01 8:41 ` Johannes Weiner
2012-05-01 8:41 ` [patch 4/5] mm + fs: provide refault distance to page cache instantiations Johannes Weiner
2012-05-01 8:41 ` Johannes Weiner
2012-05-01 9:30 ` Peter Zijlstra
2012-05-01 9:30 ` Peter Zijlstra
2012-05-01 9:55 ` Johannes Weiner
2012-05-01 9:55 ` Johannes Weiner
2012-05-01 9:58 ` Peter Zijlstra
2012-05-01 9:58 ` Peter Zijlstra
2012-05-01 8:41 ` [patch 5/5] mm: refault distance-based file cache sizing Johannes Weiner
2012-05-01 8:41 ` Johannes Weiner
2012-05-01 14:13 ` Minchan Kim
2012-05-01 14:13 ` Minchan Kim
2012-05-01 15:38 ` Johannes Weiner
2012-05-01 15:38 ` Johannes Weiner
2012-05-02 5:21 ` Minchan Kim
2012-05-02 5:21 ` Minchan Kim
2012-05-02 1:57 ` Andrea Arcangeli
2012-05-02 1:57 ` Andrea Arcangeli
2012-05-02 6:23 ` Johannes Weiner
2012-05-02 6:23 ` Johannes Weiner
2012-05-02 15:11 ` Andrea Arcangeli
2012-05-02 15:11 ` Andrea Arcangeli
2012-05-01 19:08 ` [patch 0/5] " Andrew Morton
2012-05-01 19:08 ` Andrew Morton
2012-05-01 21:19 ` Rik van Riel
2012-05-01 21:19 ` Rik van Riel
2012-05-01 21:26 ` Andrew Morton
2012-05-01 21:26 ` Andrew Morton
2012-05-02 1:10 ` Andrea Arcangeli
2012-05-02 1:10 ` Andrea Arcangeli
2012-05-03 13:15 ` Johannes Weiner
2012-05-03 13:15 ` Johannes Weiner
2012-05-16 5:25 ` nai.xia
2012-05-16 5:25 ` nai.xia
2012-05-16 6:51 ` Johannes Weiner
2012-05-16 6:51 ` Johannes Weiner
2012-05-16 12:56 ` nai.xia
2012-05-16 12:56 ` nai.xia
2012-05-17 21:08 ` Johannes Weiner
2012-05-17 21:08 ` Johannes Weiner
2012-05-18 3:44 ` Nai Xia
2012-05-18 3:44 ` Nai Xia
2012-05-18 15:07 ` Rik van Riel [this message]
2012-05-18 15:07 ` Rik van Riel
2012-05-18 15:30 ` Nai Xia
2012-05-18 15:30 ` Nai Xia
2012-05-18 15:30 ` Nai Xia
2012-05-17 13:11 ` Rik van Riel
2012-05-17 13:11 ` Rik van Riel
2012-05-18 5:03 ` Nai Xia
2012-05-18 5:03 ` Nai Xia
2012-05-18 5:03 ` Nai Xia
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