From: William Lee Irwin III <wli@holomorphy.com>
To: Nigel Cunningham <ncunningham@users.sourceforge.net>
Cc: Linux Memory Management <linux-mm@kvack.org>
Subject: Re: Can a page be HighMem without having the HighMem flag set?
Date: Thu, 22 Jan 2004 18:26:17 -0800 [thread overview]
Message-ID: <20040123022617.GY1016@holomorphy.com> (raw)
In-Reply-To: <1074824487.12774.185.camel@laptop-linux>
On Fri, Jan 23, 2004 at 03:26:53PM +1300, Nigel Cunningham wrote:
> I guess the subject says it all, but I'll give more detail:
> I'm working on Suspend on a 8 cpu ("8 way"?) SMP box at OSDL, which has
> something in excess of 4GB, but I'm only using 4 at the moment:
> Warning only 4GB will be used.
> Use a PAE enabled kernel.
> 3200MB HIGHMEM available.
> 896MB LOWMEM available.
> When suspending, I am seeing pages that don't have the HighMem flag set,
> but for which page_address returns zero.
> I looked at kmap, and noticed that it tests for page <
> highmem_start_page; I guess this is the way to do it?
You have found a bug. Could you chase down the inconsistency please?
-- wli
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next prev parent reply other threads:[~2004-01-23 2:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-23 2:26 Nigel Cunningham
2004-01-23 2:26 ` William Lee Irwin III [this message]
2004-01-23 2:46 ` Nigel Cunningham
2004-01-23 3:30 ` Nigel Cunningham
2004-01-23 23:30 ` Nigel Cunningham
2004-01-24 0:04 ` William Lee Irwin III
2004-01-24 0:20 ` Nigel Cunningham
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