linux-kernel - Re: [Bug #12872] pwc mmap always fails with EAGAIN

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Date:	Mon, 23 Mar 2009 10:49:45 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	小天 <xtfeng@...il.com>
Cc:	Markus <M4rkusXXL@....de>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: [Bug #12872] pwc mmap always fails with EAGAIN

> >    Rename the pagerange_is_ram() to pat_pagerange_is_ram() and add the
> >    "track legacy 1MB region as non RAM" condition.

But the lowest 640K are most definitely RAM.
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