From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Ira Snyder <iws@ovro.caltech.edu>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] firmware: speed up request_firmware()
Date: Wed, 28 Jan 2009 19:45:34 +0000 [thread overview]
Message-ID: <20090128194534.457d58cd@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <E1LSFhF-0002OC-00.arvidjaar-mail-ru@mx5.mail.ru>
> Some drivers cache firmware in memory. Doubing the amount of needed memory
> definitely would not be the best idea. Check drivers/net/wireless for
> examples.
A lot of drivers could perfectly happily exist with a simple iterator
helper and being returned sg lists of pages. It seems that for big
firmwares at least there is a root cause which is deeper than how you
grow your vmalloc buffer.
Alan
next prev parent reply other threads:[~2009-01-28 19:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-28 18:04 Ira Snyder
2009-01-28 18:11 ` Alan Cox
2009-01-28 18:35 ` Matt Mackall
2009-01-28 19:03 ` Andrey Borzenkov
2009-01-28 19:45 ` Alan Cox [this message]
2009-01-28 20:34 ` Ira Snyder
2009-04-03 6:46 ` Clemens Ladisch
2009-04-03 17:25 ` Andrey Borzenkov
2009-04-06 8:43 ` Clemens Ladisch
2009-04-09 19:08 ` David Woodhouse
2009-04-10 5:03 ` David Woodhouse
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