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From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: "Wang, Yalin" <Yalin.Wang@sonymobile.com>
Cc: "'Hillf Danton'" <hillf.zj@alibaba-inc.com>,
	"'linux-kernel'" <linux-kernel@vger.kernel.org>,
	"'linux-mm@kvack.org'" <linux-mm@kvack.org>,
	"'linux-arm-kernel@lists.infradead.org'" 
	<linux-arm-kernel@lists.infradead.org>,
	"'Andrew Morton'" <akpm@linux-foundation.org>
Subject: Re: [PATCH V3] mm:add VM_BUG_ON_PAGE() for page_mapcount()
Date: Mon, 8 Dec 2014 13:54:47 +0200
Message-ID: <20141208115447.GA29028@node.dhcp.inet.fi> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103E688B313FA@CNBJMBX05.corpusers.net>

On Mon, Dec 08, 2014 at 05:59:46PM +0800, Wang, Yalin wrote:
> This patch add VM_BUG_ON_PAGE() for slab page,
> because _mapcount is an union with slab struct in struct page,
> avoid access _mapcount if this page is a slab page.
> Also remove the unneeded bracket.
> 
> Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
-- 
 Kirill A. Shutemov

  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-08  9:33 [PATCH] mm:add VM_BUG_ON() " Hillf Danton
2014-12-08  9:51 ` Wang, Yalin
2014-12-08  9:58 ` [PATCH V2] " Wang, Yalin
2014-12-08  9:59   ` [PATCH V3] mm:add VM_BUG_ON_PAGE() " Wang, Yalin
2014-12-08 11:54     ` Kirill A. Shutemov [this message]
2014-12-09  3:18     ` Hillf Danton
2015-06-09 16:14     ` Vlastimil Babka

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