Re: [PATCH v12 06/22] mm: fix get_user_pages_remote()'s handling of FOLL_LONGTERM

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Subject: Re: [PATCH v12 06/22] mm: fix get_user_pages_remote()'s handling of FOLL_LONGTERM
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 15 Jan 2020 07:24:23 -0800
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Alex Williamson <alex.williamson@xxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Björn Töpel <bjorn.topel@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Daniel Vetter <daniel@xxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, David Airlie <airlied@xxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, Ira Weiny <ira.weiny@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Jérôme Glisse <jglisse@xxxxxxxxxx>, "Kirill A . Shutemov" <kirill@xxxxxxxxxxxxx>, Magnus Karlsson <magnus.karlsson@xxxxxxxxx>, Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Mike Kravetz <mike.kravetz@xxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Shuah Khan <shuah@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, bpf@xxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxxxx>
In-reply-to: <20200107224558.2362728-7-jhubbard@nvidia.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v12 00/22] mm/gup: prereqs to track dma-pinned pages: FOLL_PIN
  - From: John Hubbard
- [PATCH v12 06/22] mm: fix get_user_pages_remote()'s handling of FOLL_LONGTERM
  - From: John Hubbard

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