Re: [HMM 12/15] mm/migrate: new memory migration helper for use with device memory v4

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On Mon, Jul 10, 2017 at 05:17:23PM -0700, Evgeny Baskakov wrote:
> On 7/10/17 4:43 PM, Jerome Glisse wrote:
> 
> > On Mon, Jul 10, 2017 at 03:59:37PM -0700, Evgeny Baskakov wrote:
> > ...
> > Horrible stupid bug in the code, most likely from cut and paste. Attached
> > patch should fix it. I don't know how long it took for you to trigger it.
> > 
> > Jérôme
> Thanks, this indeed fixes the problem! Yes, it took a nightly run before it
> triggered.
> 
> One a side note, should this "return NULL" be replaced with "return
> ERR_PTR(-ENOMEM)"?

Or -EBUSY but yes sure.

Jérôme

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