linux-kernel - Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four routines

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Message-ID: <20191121095411.GC18190@quack2.suse.cz>
Date:   Thu, 21 Nov 2019 10:54:11 +0100
From:   Jan Kara <jack@...e.cz>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        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>,
        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>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>
Subject: Re: [PATCH v7 02/24] mm/gup: factor out duplicate code from four
 routines

On Thu 21-11-19 00:29:59, John Hubbard wrote:
> > 
> > Otherwise this looks fine and might be a worthwhile cleanup to feed
> > Andrew for 5.5 independent of the gut of the changes.
> > 
> > Reviewed-by: Christoph Hellwig <hch@....de>
> > 
> 
> Thanks for the reviews! Say, it sounds like your view here is that this
> series should be targeted at 5.6 (not 5.5), is that what you have in mind?
> And get the preparatory patches (1-9, and maybe even 10-16) into 5.5?

One more note :) If you are going to push pin_user_pages() interfaces
(which I'm fine with), it would probably make sense to push also the
put_user_pages() -> unpin_user_pages() renaming so that that inconsistency
in naming does not exist in the released upstream kernel.

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR