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

From	Jerome Glisse <jglisse@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [HMM 12/15] mm/migrate: new memory migration helper for use with device memory v4
Date	2017-07-11 03:00 +0200
Message-ID	<u1RGW-3IT-5@gated-at.bofh.it> (permalink)
References	(3 earlier) <tYdmF-3lY-3@gated-at.bofh.it> <tYeVr-4aS-11@gated-at.bofh.it> <u1POO-2A7-5@gated-at.bofh.it> <u1QBc-38v-7@gated-at.bofh.it> <u1R4e-3wG-5@gated-at.bofh.it>
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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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Re: [HMM 12/15] mm/migrate: new memory migration helper for use with  device memory v4 Evgeny Baskakov <ebaskakov@nvidia.com> - 2017-07-11 01:00 +0200
  Re: [HMM 12/15] mm/migrate: new memory migration helper for use with  device memory v4 Jerome Glisse <jglisse@redhat.com> - 2017-07-11 01:50 +0200
    Re: [HMM 12/15] mm/migrate: new memory migration helper for use with  device memory v4 Evgeny Baskakov <ebaskakov@nvidia.com> - 2017-07-11 02:20 +0200
      Re: [HMM 12/15] mm/migrate: new memory migration helper for use with  device memory v4 Jerome Glisse <jglisse@redhat.com> - 2017-07-11 03:00 +0200

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