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Thu, 14 May 2026 08:12:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 1HGVJeaDBWrRGQAAD6G6ig (envelope-from ); Thu, 14 May 2026 08:12:22 +0000 Date: Thu, 14 May 2026 10:12:21 +0200 From: Oscar Salvador To: Muchun Song Cc: Andrew Morton , David Hildenbrand , Muchun Song , Michael Ellerman , Madhavan Srinivasan , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Nicholas Piggin , Christophe Leroy , Ackerley Tng , Frank van der Linden , aneesh.kumar@linux.ibm.com, joao.m.martins@oracle.com, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 05/69] mm/mm_init: Simplify deferred_free_pages() migratetype init Message-ID: References: <20260513130542.35604-1-songmuchun@bytedance.com> <20260513130542.35604-6-songmuchun@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260513130542.35604-6-songmuchun@bytedance.com> X-Rspamd-Action: no action X-Stat-Signature: m1k6zjo1xx8jp7idwsayczapth195rkq X-Rspam-User: X-Rspamd-Queue-Id: 5763E1C000A X-Rspamd-Server: rspam07 X-HE-Tag: 1778746345-32011 X-HE-Meta: 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 vheWuOWp AxaFFU+6ix5WqpkW5WKlbErL/BfcLByYMCdSTbWHsNT8/Qhzo7MHJLwFEkBur7FbRp0FhfmCyAIwP5nSqgzyxNmZQ3W9UnuO6kCkLMaGeDGIBHKg7XSmY3Xenu3at0JHOdM/s4WhcB8Cf59e1FGi0jV9OePtCRBEJtMBddJbJ3RL5zFZRryAAzDtohgjXIsooxYSPp8VXoLdThanuFqb0CuqkPE0MOTLFYKuT0O3uQPRRE0UnZtW6Juk1RRbImwVls78+w0gkMLbAnYDPYz6lFBPpt0vxgQlk8WZ8jZetns2B7OEKZ+wmU6r9cq2KWFsOJxScypkTESjHW/Z6a1Y55h1v4NB5eJfpc7FqHvIFtMikFjg= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, May 13, 2026 at 09:04:33PM +0800, Muchun Song wrote: > deferred_free_pages() open-codes two loops to initialize the pageblock > migratetype for a range of pages. > > Replace them with pageblock_migratetype_init_range() to remove the > duplication and make the code clearer (Note that deferred_free_pages() > may be called from atomic context). > > Signed-off-by: Muchun Song > Acked-by: Mike Rapoport (Microsoft) Acked-by: Oscar Salvador -- Oscar Salvador SUSE Labs