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Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20210614201435.1379188-31-willy@infradead.org> References: <20210614201435.1379188-31-willy@infradead.org> <20210614201435.1379188-1-willy@infradead.org> To: "Matthew Wilcox (Oracle)" Cc: dhowells@redhat.com, akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Christoph Hellwig , Jeff Layton , "Kirill A . Shutemov" , Vlastimil Babka , William Kucharski Subject: Re: [PATCH v11 30/33] mm/filemap: Convert page wait queues to be folios MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <816230.1623839747.1@warthog.procyon.org.uk> Date: Wed, 16 Jun 2021 11:35:47 +0100 Message-ID: <816231.1623839747@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b="ZavC8/EX"; dmarc=pass (policy=none) header.from=redhat.com; spf=none (imf03.hostedemail.com: domain of dhowells@redhat.com has no SPF policy when checking 216.205.24.124) smtp.mailfrom=dhowells@redhat.com X-Rspamd-Server: rspam02 X-Stat-Signature: dtf1rm5pzyw1eao1ojz4tczyzmfi1ycf X-Rspamd-Queue-Id: EF4BDC0091AE X-HE-Tag: 1623839742-903721 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: Matthew Wilcox (Oracle) wrote: > Reinforce that page flags are actually in the head page by changing the > type from page to folio. Increases the size of cachefiles by two bytes, > but the kernel core is unchanged in size. Hopefully we can get rid of that bit of code in cachefiles soon. > > Signed-off-by: Matthew Wilcox (Oracle) > Reviewed-by: Christoph Hellwig > Acked-by: Jeff Layton > Acked-by: Kirill A. Shutemov > Acked-by: Vlastimil Babka > Reviewed-by: William Kucharski Reviewed-by: David Howells