From: Matt Mackall <mpm@selenic.com>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jens Axboe <jens.axboe@oracle.com>,
Chris Mason <chris.mason@oracle.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Clemens Ladisch <clemens@ladisch.de>,
Olivier Galibert <galibert@pobox.com>,
Linux Memory Management List <linux-mm@kvack.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
David Woodhouse <dwmw2@infradead.org>,
linux-embedded@vger.kernel.org
Subject: Re: [PATCH 03/11] readahead: bump up the default readahead size
Date: Thu, 11 Feb 2010 15:37:34 -0600 [thread overview]
Message-ID: <1265924254.15603.79.camel@calx> (raw)
In-Reply-To: <20100208134634.GA3024@localhost>
On Mon, 2010-02-08 at 21:46 +0800, Wu Fengguang wrote:
> Chris,
>
> Firstly inform the linux-embedded maintainers :)
>
> I think it's a good suggestion to add a config option
> (CONFIG_READAHEAD_SIZE). Will update the patch..
I don't have a strong opinion here beyond the nagging feeling that we
should be using a per-bdev scaling window scheme rather than something
static.
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WARNING: multiple messages have this Message-ID (diff)
From: Matt Mackall <mpm@selenic.com>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jens Axboe <jens.axboe@oracle.com>,
Chris Mason <chris.mason@oracle.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Clemens Ladisch <clemens@ladisch.de>,
Olivier Galibert <galibert@pobox.com>,
Linux Memory Management List <linux-mm@kvack.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
David Woodhouse <dwmw2@infradead.org>,
linux-embedded@vger.kernel.org
Subject: Re: [PATCH 03/11] readahead: bump up the default readahead size
Date: Thu, 11 Feb 2010 15:37:34 -0600 [thread overview]
Message-ID: <1265924254.15603.79.camel@calx> (raw)
In-Reply-To: <20100208134634.GA3024@localhost>
On Mon, 2010-02-08 at 21:46 +0800, Wu Fengguang wrote:
> Chris,
>
> Firstly inform the linux-embedded maintainers :)
>
> I think it's a good suggestion to add a config option
> (CONFIG_READAHEAD_SIZE). Will update the patch..
I don't have a strong opinion here beyond the nagging feeling that we
should be using a per-bdev scaling window scheme rather than something
static.
--
http://selenic.com : development and support for Mercurial and Linux
next prev parent reply other threads:[~2010-02-11 21:37 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-07 4:10 [PATCH 00/11] 512K readahead size with thrashing safe readahead Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 01/11] readahead: limit readahead size for small devices Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 02/11] readahead: retain inactive lru pages to be accessed soon Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 03/11] readahead: bump up the default readahead size Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-08 7:20 ` Christian Ehrhardt
2010-02-08 7:20 ` Christian Ehrhardt
2010-02-08 7:20 ` Christian Ehrhardt
2010-02-08 13:46 ` Wu Fengguang
2010-02-08 13:46 ` Wu Fengguang
2010-02-08 13:46 ` Wu Fengguang
2010-02-08 13:46 ` Wu Fengguang
2010-02-11 21:37 ` Matt Mackall [this message]
2010-02-11 21:37 ` Matt Mackall
2010-02-11 23:42 ` Jamie Lokier
2010-02-11 23:42 ` Jamie Lokier
2010-02-12 0:04 ` Matt Mackall
2010-02-12 0:04 ` Matt Mackall
2010-02-12 13:59 ` Wu Fengguang
2010-02-12 13:59 ` Wu Fengguang
2010-02-12 20:20 ` Matt Mackall
2010-02-12 20:20 ` Matt Mackall
2010-02-21 2:25 ` Wu Fengguang
2010-02-21 2:25 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 04/11] readahead: introduce {MAX|MIN}_READAHEAD_PAGES macros for ease of use Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 05/11] readahead: replace ra->mmap_miss with ra->ra_flags Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-08 8:19 ` Nick Piggin
2010-02-08 8:19 ` Nick Piggin
2010-02-08 13:43 ` Wu Fengguang
2010-02-08 13:43 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 06/11] readahead: thrashing safe context readahead Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 07/11] readahead: record readahead patterns Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 08/11] readahead: add tracing event Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 09/11] readahead: add /debug/readahead/stats Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 10/11] readahead: dont do start-of-file readahead after lseek() Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` [PATCH 11/11] radixtree: speed up next/prev hole search Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
2010-02-07 4:10 ` Wu Fengguang
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