linux-kernel - Re: [PATCH 1/2] Export get_user_pages

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Message-ID: <4890A375.4060103@qumranet.com>
Date:	Wed, 30 Jul 2008 20:23:01 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Adrian Bunk <bunk@...nel.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	lguest <lguest@...abs.org>, linux-kernel@...r.kernel.org,
	Nick Piggin <nickpiggin@...oo.com.au>
Subject: Re: [PATCH 1/2] Export get_user_pages_fast

Andrew Morton wrote:
>> o other arch 
>> would define CONFIG_HAVE_GET_USER_PAGES_FAST.
>>
>>     
>
> That's presently true in Linus mainline.  The powerpc implementation is
> in -mm, but apprarently needs a bit more work.

Wouldn't a generic get_user_pages_fast() implementation which calls 
get_user_pages_slow() if the arch hadn't implemented the former reduce a 
lot of #ifdefs in call sites?

-- 
error compiling committee.c: too many arguments to function

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