Thread (7 messages) 7 messages, 2 authors, 2004-01-24

Re: Can a page be HighMem without having the HighMem flag set?

From: Nigel Cunningham <hidden>
Date: 2004-01-23 02:43:47

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:
quoted
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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