From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Nazarewicz <mina86@mina86.com>,
Minchan Kim <minchan@kernel.org>,
Mel Gorman <mgorman@techsingularity.net>,
Vlastimil Babka <vbabka@suse.cz>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-api@vger.kernel.org
Subject: Re: [PATCH v3 1/2] mm: introduce page reference manipulation functions
Date: Thu, 25 Feb 2016 11:11:34 +0900 [thread overview]
Message-ID: <20160225021134.GA14784@js1304-P5Q-DELUXE> (raw)
In-Reply-To: <20160224175333.8957903d.akpm@linux-foundation.org>
On Wed, Feb 24, 2016 at 05:53:33PM -0800, Andrew Morton wrote:
> On Thu, 25 Feb 2016 09:34:55 +0900 Joonsoo Kim <iamjoonsoo.kim@lge.com> 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?
Okay. It's less than I thought. I will do it soon.
Thanks.
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prev parent reply other threads:[~2016-02-25 2:11 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
2016-02-25 2:11 ` Joonsoo Kim [this message]
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