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Shutemov" To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, Andrew Morton , Huang Ying Subject: Re: [PATCH 10/11] mm/page-writeback: Support tail pages in wait_for_stable_page Message-ID: <20200909145354.ik57bridxs7blets@box> References: <20200908195539.25896-1-willy@infradead.org> <20200908195539.25896-11-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200908195539.25896-11-willy@infradead.org> X-Rspamd-Queue-Id: 1DEDF18038E67 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Sep 08, 2020 at 08:55:37PM +0100, Matthew Wilcox (Oracle) wrote: > page->mapping is undefined for tail pages, so operate exclusively on > the head page. > > Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Kirill A. Shutemov -- Kirill A. Shutemov