From mboxrd@z Thu Jan 1 00:00:00 1970 From: kirill@shutemov.name (Kirill A. Shutemov) Date: Mon, 8 Dec 2014 13:54:47 +0200 Subject: [PATCH V3] mm:add VM_BUG_ON_PAGE() for page_mapcount() In-Reply-To: <35FD53F367049845BC99AC72306C23D103E688B313FA@CNBJMBX05.corpusers.net> References: <010b01d012ca$05244060$0f6cc120$@alibaba-inc.com> <35FD53F367049845BC99AC72306C23D103E688B313F9@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E688B313FA@CNBJMBX05.corpusers.net> Message-ID: <20141208115447.GA29028@node.dhcp.inet.fi> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Acked-by: Kirill A. Shutemov -- Kirill A. Shutemov