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Wed, 14 Jul 2021 19:54:13 -0700 (PDT) MIME-Version: 1.0 References: <20210714193542.21857-1-joao.m.martins@oracle.com> <20210714193542.21857-3-joao.m.martins@oracle.com> In-Reply-To: <20210714193542.21857-3-joao.m.martins@oracle.com> From: Muchun Song Date: Thu, 15 Jul 2021 10:53:37 +0800 Message-ID: Subject: Re: [External] [PATCH v3 02/14] mm/page_alloc: split prep_compound_page into head and tail subparts To: Joao Martins Cc: Linux Memory Management List , Dan Williams , Vishal Verma , Dave Jiang , Naoya Horiguchi , Matthew Wilcox , Jason Gunthorpe , John Hubbard , Jane Chu , Mike Kravetz , Andrew Morton , Jonathan Corbet , nvdimm@lists.linux.dev, linux-doc@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=bytedance-com.20150623.gappssmtp.com header.s=20150623 header.b=tZiKTFH0; spf=pass (imf18.hostedemail.com: domain of songmuchun@bytedance.com designates 209.85.210.179 as permitted sender) smtp.mailfrom=songmuchun@bytedance.com; dmarc=pass (policy=none) header.from=bytedance.com X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: EB0CB400208D X-Stat-Signature: txaapiqfie87z46n4izw8mxc1in5ecru X-HE-Tag: 1626317653-111010 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 Thu, Jul 15, 2021 at 3:36 AM Joao Martins wrote: > > Split the utility function prep_compound_page() into head and tail > counterparts, and use them accordingly. > > This is in preparation for sharing the storage for / deduplicating > compound page metadata. > > Signed-off-by: Joao Martins > Acked-by: Mike Kravetz Reviewed-by: Muchun Song