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Tue, 2 Sep 2025 20:49:09 +0800 From: Kefeng Wang To: Andrew Morton , David Hildenbrand , Oscar Salvador , Muchun Song CC: , , Zi Yan , Vlastimil Babka , Brendan Jackman , Johannes Weiner , , Kefeng Wang Subject: [PATCH v2 0/9] mm: hugetlb: cleanup and allocate frozen hugetlb folio Date: Tue, 2 Sep 2025 20:48:11 +0800 Message-ID: <20250902124820.3081488-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: kwepems500002.china.huawei.com (7.221.188.17) To dggpemf100008.china.huawei.com (7.185.36.138) X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 7E3458000E X-Stat-Signature: 4j84rtbka47cmuj8jpo9i3qiyjgmkotw X-Rspam-User: X-HE-Tag: 1756817355-102127 X-HE-Meta: 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 xeux7SBR w62FuqCRZARWkmX0kYvTOtMJEOyLWrEUv9yil0So9A1DRIEfa3JdivUOaxDGl3iEuLD2eJNiT9K4EATgFeyLsBnzuqdecOLR3QG0mPMcqtFgUCHmb8klWlgAH1hlbeZfKciiBZIRf6N+x0oJXHIY3TXDQ0EUkMGHR/cgWe4R8CijHKBQt+1MZVYZqPwoH3wQ/INVf9qhZiSpHAOMBAOiB774K2yMkNcbQ1OaehX84Dlq+hiive62mR7+qB/K7INSVGDdI 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: The first part is to cleanup some hugetlb folio allocation and the others convert to allocate frozen folio in gigantic folio, similar to alloc_buddy_hugetlb_folio(), avoid atomic operation about folio refcount. v2: - Add RB and address some comments(per Vishal / Jane) - Naming is hard, so don't add hvo for alloc_fresh_hugetlb_folio() and only drop __prep prfix for account new hugetlb folio - Add ACR_FLAGS_FROZEN for allocating frozen compound pages - Refactoring the cma alloc/release to prepare for cma alloc/free frozen folio v1: - https://lore.kernel.org/linux-mm/20250802073107.2787975-1-wangkefeng.wang@huawei.com/ Kefeng Wang (9): mm: hugetlb: convert to use more alloc_fresh_hugetlb_folio() mm: hugetlb: convert to account_new_hugetlb_folio() mm: hugetlb: directly pass order when allocate a hugetlb folio mm: hugetlb: remove struct hstate from init_new_hugetlb_folio() mm: hugeltb: check NUMA_NO_NODE in only_alloc_fresh_hugetlb_folio() mm: page_alloc: add alloc_contig_frozen_pages() mm: cma: add alloc flags for __cma_alloc() mm: cma: add __cma_release() mm: hugetlb: allocate frozen pages in alloc_gigantic_folio() include/linux/cma.h | 9 ++- include/linux/gfp.h | 20 +++--- mm/cma.c | 84 +++++++++++--------------- mm/hugetlb.c | 144 +++++++++++++++----------------------------- mm/hugetlb_cma.c | 14 ++--- mm/hugetlb_cma.h | 10 +-- mm/page_alloc.c | 85 ++++++++++++++------------ 7 files changed, 157 insertions(+), 209 deletions(-) -- 2.27.0