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From: Andrew Morton <akpm@linux-foundation.org>
To: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Michael Rubin <mrubin@google.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch] Converting writeback linked lists to a tree based data structure
Date: Tue, 15 Jan 2008 20:42:36 -0800 [thread overview]
Message-ID: <20080115204236.6349ac48.akpm@linux-foundation.org> (raw)
In-Reply-To: <400457571.32162@ustc.edu.cn>
On Wed, 16 Jan 2008 12:25:53 +0800 Fengguang Wu <wfg@mail.ustc.edu.cn> wrote:
> list_heads are OK if we use them for one and only function.
Not really. They're inappropriate when you wish to remember your
position in the list while you dropped the lock (as we must do in
writeback).
A data structure which permits us to interate across the search key rather
than across the actual storage locations is more appropriate.
next prev parent reply other threads:[~2008-01-16 4:42 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-15 8:09 [patch] Converting writeback linked lists to a tree based data structure Michael Rubin
2008-01-15 8:46 ` Peter Zijlstra
2008-01-15 17:53 ` Michael Rubin
[not found] ` <400452490.28636@ustc.edu.cn>
2008-01-16 3:01 ` Fengguang Wu
2008-01-16 3:44 ` Andrew Morton
[not found] ` <400457571.32162@ustc.edu.cn>
2008-01-16 4:25 ` Fengguang Wu
2008-01-16 4:42 ` Andrew Morton [this message]
[not found] ` <400459376.04290@ustc.edu.cn>
2008-01-16 4:55 ` Fengguang Wu
2008-01-16 5:51 ` Andrew Morton
[not found] ` <400474447.19383@ustc.edu.cn>
2008-01-16 9:07 ` Fengguang Wu
2008-01-16 22:35 ` David Chinner
[not found] ` <400539769.00869@ustc.edu.cn>
2008-01-17 3:16 ` Fengguang Wu
2008-01-17 5:21 ` David Chinner
2008-01-18 7:36 ` Mike Waychison
2008-01-16 7:55 ` David Chinner
2008-01-16 8:13 ` Andrew Morton
[not found] ` <400488821.15609@ustc.edu.cn>
2008-01-16 13:06 ` Fengguang Wu
2008-01-16 18:55 ` Michael Rubin
[not found] ` <400540692.29046@ustc.edu.cn>
2008-01-17 3:31 ` Fengguang Wu
[not found] ` <400562938.07583@ustc.edu.cn>
2008-01-17 9:41 ` Fengguang Wu
2008-01-17 21:07 ` Michael Rubin
2008-01-18 5:01 ` David Chinner
2008-01-18 5:38 ` Michael Rubin
2008-01-18 8:54 ` David Chinner
2008-01-18 9:26 ` Michael Rubin
[not found] ` <400634919.20750@ustc.edu.cn>
2008-01-18 5:41 ` Fengguang Wu
2008-01-19 2:50 ` David Chinner
[not found] ` <400632190.14601@ustc.edu.cn>
2008-01-18 4:56 ` Fengguang Wu
2008-01-18 5:41 ` Andi Kleen
[not found] ` <400644314.11994@ustc.edu.cn>
2008-01-18 6:01 ` Fengguang Wu
2008-01-18 7:48 ` Mike Waychison
2008-01-18 6:43 ` Michael Rubin
[not found] ` <400651538.20437@ustc.edu.cn>
2008-01-18 9:32 ` Fengguang Wu
-- strict thread matches above, loose matches on Subject: below --
2007-12-13 0:32 Michael Rubin
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