From: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
To: Joonsoo Kim <iamjoonsoo.kim-Hm3cg6mZ9cc@public.gmane.org>
Cc: Michal Nazarewicz
<mina86-deATy8a+UHjQT0dZR+AlfA@public.gmane.org>,
Minchan Kim <minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mel Gorman
<mgorman-3eNAlZScCAx27rWaFMvyedHuzzzSOjJt@public.gmane.org>,
Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>,
"Kirill A. Shutemov"
<kirill.shutemov-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Sergey Senozhatsky
<sergey.senozhatsky.work-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v3 1/2] mm: introduce page reference manipulation functions
Date: Wed, 24 Feb 2016 17:53:33 -0800 [thread overview]
Message-ID: <20160224175333.8957903d.akpm@linux-foundation.org> (raw)
In-Reply-To: <20160225003454.GB9723@js1304-P5Q-DELUXE>
On Thu, 25 Feb 2016 09:34:55 +0900 Joonsoo Kim <iamjoonsoo.kim-Hm3cg6mZ9cc@public.gmane.org> wrote:
> >
> > The patches will be a bit of a pain to maintain but surprisingly they
> > apply OK at present. It's possible that by the time they hit upstream,
> > some direct ->_count references will still be present and it will
> > require a second pass to complete the conversion.
>
> In fact, the patch doesn't change direct ->_count reference for
> *read*. That's the reason that it is surprisingly OK at present.
>
> It's a good idea to change direct ->_count reference even for read.
> How about changing it in rc2 after mering this patch in rc1?
Sounds fair enough.
Although I'm counting only 11 such sites so perhaps we just go ahead
and do it?
next prev parent reply other threads:[~2016-02-25 1:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-23 7:21 [PATCH v3 1/2] mm: introduce page reference manipulation functions js1304-Re5JQEeQqe8AvxtiuMwx3w
2016-02-23 7:21 ` [PATCH v3 2/2] mm/page_ref: add tracepoint to track down page reference manipulation js1304
2016-02-23 23:32 ` [PATCH v3 1/2] mm: introduce page reference manipulation functions Andrew Morton
[not found] ` <20160223153244.83a5c3ca430c4248a4a34cc0-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2016-02-25 0:34 ` Joonsoo Kim
2016-02-25 1:53 ` Andrew Morton [this message]
2016-02-25 2:11 ` Joonsoo Kim
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