From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@osdl.org>
Date: Tue, 22 Feb 2005 19:25:13 +0000
Subject: Re: [patch -mm series] ia64 specific /dev/mem handlers
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To: Matthew Wilcox <matthew@wil.cx>
Cc: jes@wildopensource.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org

Matthew Wilcox <matthew@wil.cx> wrote:
>
> On Tue, Feb 22, 2005 at 09:41:04AM -0500, Jes Sorensen wrote:
>  > >> + if (page->flags & PG_uncached)
>  > 
>  > Andrew> dude.  That ain't gonna work ;)
>  > 
>  > Pardon my lack of clue, but why not?

	if (page->flags & (1<<PG_uncached))

would have been correcter.

>  I think you're supposed to always use test_bit() to check page flags

Yup.  Add PageUncached macros to page-flags.h.