From: Eric Dumazet <dada1@cosmosbay.com>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Wu Fengguang <wfg@mail.ustc.edu.cn>,
linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH 10/19] readahead: state based method
Date: Fri, 25 Nov 2005 16:31:38 +0100 [thread overview]
Message-ID: <43872E5A.3030103@cosmosbay.com> (raw)
In-Reply-To: <43872BF2.3030407@cosmosbay.com>
Eric Dumazet a écrit :
> Hum... This sizeof(struct file) increase seems quite large...
>
> Have you ever considered to change struct file so that file_ra_state is
> not embedded, but dynamically allocated (or other strategy) for regular
> files ?
>
> I mean, sockets, pipes cannot readahead... And some machines use far
> more sockets than regular files.
>
> I wrote such a patch in the past I could resend...
http://marc.theaimsgroup.com/?l=linux-kernel&m=112435605407020&w=2
next prev parent reply other threads:[~2005-11-25 15:31 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-25 15:12 [PATCH 00/19] Adaptive read-ahead V8 Wu Fengguang
2005-11-25 15:12 ` [PATCH 01/19] mm: delayed page activation Wu Fengguang
2005-11-25 15:12 ` [PATCH 02/19] vm: kswapd incmin Wu Fengguang
2005-11-25 15:12 ` [PATCH 03/19] mm: balance page aging between zones and slabs Wu Fengguang
2005-11-25 15:12 ` [PATCH 04/19] mm: debug page reclaim Wu Fengguang
2005-11-25 15:12 ` [PATCH 05/19] radixtree: sync with mainline Wu Fengguang
2005-11-25 15:12 ` [PATCH 06/19] radixtree: look-aside cache Wu Fengguang
2005-11-25 15:12 ` [PATCH 07/19] readahead: some preparation Wu Fengguang
2005-11-25 15:12 ` [PATCH 08/19] readahead: call scheme Wu Fengguang
2005-11-25 15:12 ` [PATCH 09/19] readahead: parameters Wu Fengguang
2005-11-25 15:12 ` [PATCH 10/19] readahead: state based method Wu Fengguang
2005-11-25 15:21 ` Eric Dumazet
2005-11-25 15:31 ` Eric Dumazet [this message]
2005-11-26 3:09 ` Wu Fengguang
2005-11-25 15:12 ` [PATCH 11/19] readahead: context " Wu Fengguang
2005-11-25 15:12 ` [PATCH 12/19] readahead: other methods Wu Fengguang
2005-11-25 15:12 ` [PATCH 13/19] readahead: detect and rescue live pages Wu Fengguang
2005-11-25 15:12 ` [PATCH 14/19] readahead: events accounting Wu Fengguang
2005-11-25 15:12 ` [PATCH 15/19] readahead: page aging accounting Wu Fengguang
2005-11-25 15:12 ` [PATCH 16/19] readahead: laptop mode support Wu Fengguang
2005-11-25 16:06 ` Bart Samwel
2005-11-26 3:33 ` Wu Fengguang
2005-11-25 15:12 ` [PATCH 17/19] readahead: disable look-ahead for loopback file Wu Fengguang
2005-11-25 15:12 ` [PATCH 18/19] readahead: nfsd support Wu Fengguang
2005-11-25 15:12 ` [PATCH 19/19] io: avoid too much latency from read-ahead Wu Fengguang
2005-11-25 15:43 ` [PATCH 00/19] Adaptive read-ahead V8 Diego Calleja
2005-11-25 19:31 ` Lee Revell
2005-11-26 23:03 ` Mark van der Made
2005-11-27 19:54 ` Lee Revell
2005-11-26 3:17 ` Wu Fengguang
2005-11-26 13:25 ` Tomasz Torcz
2005-11-26 14:11 ` Wu Fengguang
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