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

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Message-ID: <20170630194956.GB4275@redhat.com>
Date:   Fri, 30 Jun 2017 15:49:56 -0400
From:   Jerome Glisse <jglisse@...hat.com>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Dan Williams <dan.j.williams@...el.com>,
        David Nellans <dnellans@...dia.com>
Subject: Re: [PATCH 00/15] HMM (Heterogeneous Memory Management) v24

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