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SubjectRe: 2.6.38.2 breaks suspend to disk
On Thu, 31 Mar 2011, Yinghai Lu wrote:
> Stefano, can you explain why it fixes the problem?
>
> or original patch uncover the bug?

as I wrote in the other email, e5f15b45ddf3afa2bbbb10c7ea34fb32b6de0a0e
removes cleanup_highmap_brk_end but this function was not only dealing
with mappings but it was also setting mmu_cr4_features, therefore the
setting of mmu_cr4_features was lost.

I think the real bug is that mmu_cr4_features ended up in
cleanup_highmap_brk_end by mistake.


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