netdev - Re: [PATCH v12 00/22] mm/gup: prereqs to track dma-pinned pages: FOLL

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Date:   Tue, 14 Jan 2020 15:29:29 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Alex Williamson <alex.williamson@...hat.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Björn Töpel <bjorn.topel@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Dave Chinner <david@...morbit.com>,
        David Airlie <airlied@...ux.ie>,
        "David S . Miller" <davem@...emloft.net>,
        Ira Weiny <ira.weiny@...el.com>, Jan Kara <jack@...e.cz>,
        Jason Gunthorpe <jgg@...pe.ca>, Jens Axboe <axboe@...nel.dk>,
        Jonathan Corbet <corbet@....net>,
        Jérôme Glisse 
        <jglisse@...hat.com>, "Kirill A . Shutemov" <kirill@...temov.name>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Hocko <mhocko@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Paul Mackerras <paulus@...ba.org>,
        Shuah Khan <shuah@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>, <bpf@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <kvm@...r.kernel.org>,
        <linux-block@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>, <linux-kselftest@...r.kernel.org>,
        <linux-media@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
        <linuxppc-dev@...ts.ozlabs.org>, <netdev@...r.kernel.org>,
        <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v12 00/22] mm/gup: prereqs to track dma-pinned pages:
 FOLL_PIN

On Tue, 14 Jan 2020 12:15:08 -0800 John Hubbard <jhubbard@...dia.com> wrote:

> > 
> > Hi Andrew and all,
> > 
> > To clarify: I'm hoping that this series can go into 5.6.
> > 
> > Meanwhile, I'm working on tracking down and solving the problem that Leon
> > reported, in the "track FOLL_PIN pages" patch, and that patch is not part of
> > this series.
> > 
> 
> Hi Andrew and all,
> 
> Any thoughts on this?

5.6 is late.  But it was in -mm before (briefly) and appears to be
mature and well-reviewed.

I'll toss it in there and shall push it into -next hopefully today. 
Let's decide 2-3 weeks hence.