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Re: clear_user_page in page.h

To: JP Foster <>
Subject: Re: clear_user_page in page.h
From: Ralf Baechle <>
Date: Tue, 8 Mar 2005 14:07:47 +0000
Cc: linux-mips <>
In-reply-to: <1110287573.30647.16.camel@localhost.localdomain>
Original-recipient: rfc822;
References: <1110287573.30647.16.camel@localhost.localdomain>
User-agent: Mutt/1.4.1i
On Tue, Mar 08, 2005 at 01:12:52PM +0000, JP Foster wrote:

> Hi all,
> I'm building the video4linux drivers as modules and the video-buf driver
> can't load as it has no reference to shm_align_mask and
> flush_data_cache_page. 
> These are needed by asm-mips/page.h for the inline funcs, pages_do_alias
> and clear/copy_user_page.
> How should shm_align_mask and flush_data_cache_page. be exported to
> modules?
> Most other asm-xxx/page.h doesn't need any externs, all is #defined
> within page.h or files included by it.
> Any ideas how I deal with this? Presumably other modules will be 
> affected by this.

The code in question should be considered broken anyway but for the
time being until this is actually fixed I'm going to add the two symbol


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