Re: [PATCH 00/15] HMM (Heterogeneous Memory Management) v24

From: Jerome Glisse
Date: Fri Jun 30 2017 - 15:50:16 EST


On Thu, Jun 29, 2017 at 10:32:49PM -0700, John Hubbard wrote:
> On 06/28/2017 11:00 AM, Jérôme Glisse wrote:
> >
> > Patchset is on top of git://git.cmpxchg.org/linux-mmotm.git so i
> > test same kernel as kbuild system, git branch:
> >
> > https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-v24
> >
> > Change since v23 is code comment fixes, simplify kernel configuration and
> > improve allocation of new page on migration do device memory (last patch
> > in this patchset).
>
> Hi Jerome,
>
> Tiny note: one more change is that hmm_devmem_fault_range() has been
> removed (and thanks for taking care of that, btw).

True i forgot to mention that.

>
> Anyway, this looks good. A basic smoke test shows the following:
>
> 1. We definitely *require* your other patch,
> "[PATCH] x86/mm/hotplug: fix BUG_ON() after hotremove by not freeing pud v3",
> otherwise I will reliably hit that bug every time I run my simple page fault
> test. So, let me know if I should ping that thread. It looks like your patch
> was not rejected, but I can't tell if (!rejected == accepted), there. :)

Ingo did pick it up so it should shows in Linus tree soon i expect.

Cheers,
Jérôme