From: Pierre Ossman <drzeus-list@drzeus.cx>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Jens Axboe <axboe@suse.de>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: How to map high memory for block io
Date: Tue, 31 Jan 2006 19:39:02 +0100 [thread overview]
Message-ID: <43DFAEC6.3090205@drzeus.cx> (raw)
In-Reply-To: <20060130080930.GB4209@suse.de>
Jens Axboe wrote:
> On Mon, Jan 30 2006, Pierre Ossman wrote:
>
>> Jens Axboe wrote:
>>
>>>
>>> Ah, you need to disable clustering to prevent that from happening! I was
>>> confused there for a while.
>>>
>>>
>>>
>> And which is the lesser evil, highmem bounce buffers or disabling
>> clustering? I'd probably vote for the former since the MMC overhead can
>> be quite large.
>>
>
> Disabling clustering is by far the least expensive way to accomplish it.
>
>
Russell, what's your view on this? And how should we handle it with
regard to MMC drivers?
Rgds
Pierre
next prev parent reply other threads:[~2006-01-31 18:39 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-27 6:45 How to map high memory for block io Pierre Ossman
2006-01-27 10:26 ` Jens Axboe
2006-01-27 10:33 ` Pierre Ossman
2006-01-27 10:43 ` Jens Axboe
2006-01-27 12:14 ` Pierre Ossman
2006-01-27 12:39 ` Jens Axboe
2006-01-27 13:16 ` Pierre Ossman
2006-01-27 13:48 ` Pierre Ossman
2006-01-27 14:00 ` Jens Axboe
2006-01-27 14:14 ` Pierre Ossman
2006-01-27 18:37 ` Pierre Ossman
2006-01-27 19:43 ` Russell King
2006-01-27 20:04 ` Pierre Ossman
2006-01-27 20:10 ` Jens Axboe
2006-01-27 20:14 ` Russell King
2006-01-27 20:22 ` Jens Axboe
2006-01-27 20:26 ` Russell King
2006-01-27 20:38 ` Pierre Ossman
2006-01-27 21:58 ` Pierre Ossman
2006-01-27 22:54 ` Russell King
2006-01-28 19:17 ` Jens Axboe
2006-01-28 19:32 ` Pierre Ossman
2006-01-29 15:22 ` Jens Axboe
2006-01-30 7:57 ` Pierre Ossman
2006-01-30 8:09 ` Jens Axboe
2006-01-31 18:39 ` Pierre Ossman [this message]
2006-03-01 23:29 ` Russell King
2006-03-02 7:21 ` Jens Axboe
2006-03-02 7:26 ` Pierre Ossman
2006-03-02 9:41 ` Russell King
2006-03-02 9:52 ` Pierre Ossman
2006-03-02 10:04 ` Russell King
2006-03-02 10:26 ` Pierre Ossman
2006-03-02 11:45 ` Russell King
2007-01-30 20:41 ` Pierre Ossman
2006-01-27 20:28 ` Pierre Ossman
2006-01-27 20:12 ` Pierre Ossman
2006-01-27 20:16 ` Russell King
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