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In-Reply-To: <1459144748-13664-2-git-send-email-iamjoonsoo.kim@lge.com>
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	<1459144748-13664-2-git-send-email-iamjoonsoo.kim@lge.com>
Date: Mon, 28 Mar 2016 15:05:19 +0900
Message-ID: <CAAmzW4PjMfoQR3OJPX8Xp1DcBqzSQx4JE0M239EOH-Gvz0qQ-Q@mail.gmail.com>
Subject: Re: [PATCH 2/2] mm: rename _count, field of the struct page, to _refcount
From: Joonsoo Kim <js1304@gmail.com>
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: Hugh Dickins <hughd@google.com>, Johannes Berg <johannes@sipsolutions.net>, "David S. Miller" <davem@davemloft.net>, Sunil Goutham <sgoutham@cavium.com>, Linux Memory Management List <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Joonsoo Kim <iamjoonsoo.kim@lge.com>

2016-03-28 14:59 GMT+09:00  <js1304@gmail.com>:
> From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>
> Many developer already know that field for reference count of
> the struct page is _count and atomic type. They would try to handle it
> directly and this could break the purpose of page reference count
> tracepoint. To prevent direct _count modification, this patch rename it
> to _refcount and add warning message on the code. After that, developer
> who need to handle reference count will find that field should not be
> accessed directly.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>

Oops. This patch needs more change. Please ignore this patchset.
I will resend it soon.

Thanks.

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