From: Nigel Cunningham <ncunningham@users.sourceforge.net>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Linux Memory Management <linux-mm@kvack.org>
Subject: Re: Can a page be HighMem without having the HighMem flag set?
Date: Fri, 23 Jan 2004 15:46:37 +1300 [thread overview]
Message-ID: <1074825996.12773.189.camel@laptop-linux> (raw)
In-Reply-To: <20040123022617.GY1016@holomorphy.com>
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Okay. I'll see what I can do.
Regards,
Nigel
On Fri, 2004-01-23 at 15:26, William Lee Irwin III wrote:
> 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
--
My work on Software Suspend is graciously brought to you by
LinuxFund.org.
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next prev parent reply other threads:[~2004-01-23 2:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-23 2:26 Can a page be HighMem without having the HighMem flag set? Nigel Cunningham
2004-01-23 2:26 ` William Lee Irwin III
2004-01-23 2:46 ` Nigel Cunningham [this message]
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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