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Tue, 9 Sep 2025 08:11:55 +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 nW36FEvhv2jfcQAAD6G6ig (envelope-from ); Tue, 09 Sep 2025 08:11:55 +0000 Date: Tue, 9 Sep 2025 10:11:49 +0200 From: Oscar Salvador To: Kefeng Wang Cc: Andrew Morton , David Hildenbrand , Muchun Song , sidhartha.kumar@oracle.com, jane.chu@oracle.com, Zi Yan , Vlastimil Babka , Brendan Jackman , Johannes Weiner , linux-mm@kvack.org Subject: Re: [PATCH v2 6/9] mm: page_alloc: add alloc_contig_frozen_pages() Message-ID: References: <20250902124820.3081488-1-wangkefeng.wang@huawei.com> <20250902124820.3081488-7-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250902124820.3081488-7-wangkefeng.wang@huawei.com> X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: AB8F41C0015 X-Stat-Signature: txrt1yhrosx3mrjnfqdre5pbbyuec84r X-Rspam-User: X-HE-Tag: 1757405517-319832 X-HE-Meta: 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 7ZA== 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: List-Subscribe: List-Unsubscribe: On Tue, Sep 02, 2025 at 08:48:17PM +0800, Kefeng Wang wrote: > Introduce a ACR_FLAGS_FROZEN flags to indicate that we want to > allocate a frozen compound pages by alloc_contig_range(), also > provide alloc_contig_frozen_pages() to allocate pages without > incrementing their refcount, which may be beneficial to some > users (eg hugetlb). > > Signed-off-by: Kefeng Wang With the feedback from Zi Yan addressed: Reviewed-by: Oscar Salvador -- Oscar Salvador SUSE Labs