Re: [PATCH 2/3] swsusp i386 mark special saveable/unsaveable pages

[Nigel Cunningham]

Hi.

On Wednesday 19 April 2006 11:51, Shaohua Li wrote:
> On Wed, 2006-04-19 at 11:41 +1000, Nigel Cunningham wrote:
> > Oh, and while we're on the topic, if only part of a page is NVS, what's
> > the right behaviour? My e820 table has:
> >
> > BIOS-e820: 000000003dff0000 - 000000003dffffc0 (ACPI data)
> > BIOS-e820: 000000003dffffc0 - 000000003e000000 (ACPI NVS)
>
> If only part of a page is NVS, my patch will save the whole page. Any
> other idea?

A device model driver that handles saving just the part of the page, using 
preallocated buffers to avoid the potential allocation problems? (The whole 
page could then safely be Nosave).

Regards,

Nigel

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