linux-kernel - Re: [PATCH 2/2] mm: rename _count, field of the struct page, to

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Message-ID: <CAAmzW4PjMfoQR3OJPX8Xp1DcBqzSQx4JE0M239EOH-Gvz0qQ-Q@mail.gmail.com>
Date:	Mon, 28 Mar 2016 15:05:19 +0900
From:	Joonsoo Kim <js1304@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Hugh Dickins <hughd@...gle.com>,
	Johannes Berg <johannes@...solutions.net>,
	"David S. Miller" <davem@...emloft.net>,
	Sunil Goutham <sgoutham@...ium.com>,
	Linux Memory Management List <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH 2/2] mm: rename _count, field of the struct page, to _refcount

2016-03-28 14:59 GMT+09:00  <js1304@...il.com>:
> From: Joonsoo Kim <iamjoonsoo.kim@....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@....com>

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

Thanks.