Re: [PATCH 1/2] mm/hmm: support automatic NUMA balancing

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On Fri, 10 May 2019 19:53:23 +0000 "Kuehling, Felix" <Felix.Kuehling@xxxxxxx> wrote:

> From: Philip Yang <Philip.Yang@xxxxxxx>
> 
> While the page is migrating by NUMA balancing, HMM failed to detect this
> condition and still return the old page. Application will use the new
> page migrated, but driver pass the old page physical address to GPU,
> this crash the application later.
> 
> Use pte_protnone(pte) to return this condition and then hmm_vma_do_fault
> will allocate new page.
> 
> Signed-off-by: Philip Yang <Philip.Yang@xxxxxxx>

This should have included your signed-off-by:, since you were on the
patch delivery path.  I'll make that change to my copy of the patch,
OK?
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