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SubjectRe: [PATCH] Initialize max_pfn_mapped as initial ident mapping size for x86_64
On Mon, Mar 5, 2012 at 5:49 PM, H. Peter Anvin <> wrote:
> WHY does it have a problem with S4 resume?  S4 is Linux code, so there
> is a bug here that people keep trying to hack around instead of digging
> into.

it seems that problem only happen with Suse userland application etc.

Takashi, can you detail the steps so we can duplicate the problem ?

> The early mapping range we can fix, and probably should.  Mapping the
> first 4 GiB is not a lot of memory and makes a much more sensible
> starting point.

do you mean map the 4G in head_64.S?

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