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Wed, 11 Aug 2021 14:43:52 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id FFUKDCjiE2HfTwAAGKfGzw (envelope-from ); Wed, 11 Aug 2021 14:43:52 +0000 Subject: Re: [PATCH v14 057/138] mm/swap: Add folio_activate() To: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Christoph Hellwig References: <20210715033704.692967-1-willy@infradead.org> <20210715033704.692967-58-willy@infradead.org> From: Vlastimil Babka Message-ID: Date: Wed, 11 Aug 2021 16:43:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <20210715033704.692967-58-willy@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=McZ71LHM; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=WqJvWAK2; spf=pass (imf24.hostedemail.com: domain of vbabka@suse.cz designates 195.135.220.29 as permitted sender) smtp.mailfrom=vbabka@suse.cz; dmarc=none X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 1273CB005A47 X-Stat-Signature: xpps9b4omjeua6sk3y37od13dknrsdcz X-HE-Tag: 1628693033-944859 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 7/15/21 5:35 AM, Matthew Wilcox (Oracle) wrote: > This replaces activate_page() and eliminates lots of calls to > compound_head(). Saves net 118 bytes of kernel text. There are still > some redundant calls to page_folio() here which will be removed when > pagevec_lru_move_fn() is converted to use folios. > > Signed-off-by: Matthew Wilcox (Oracle) > Reviewed-by: Christoph Hellwig Acked-by: Vlastimil Babka