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[80.230.48.7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4548ec6b00fsm38840020f8f.11.2026.05.12.14.06.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 14:06:04 -0700 (PDT) Date: Tue, 12 May 2026 17:05:59 -0400 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: "David Hildenbrand (Arm)" , Jason Wang , Xuan Zhuo , Eugenio =?utf-8?B?UMOpcmV6?= , Muchun Song , Oscar Salvador , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Hugh Dickins , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Christoph Lameter , David Rientjes , Roman Gushchin , Harry Yoo , Axel Rasmussen , Yuanchu Xie , Wei Xu , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , virtualization@lists.linux.dev, linux-mm@kvack.org, Andrea Arcangeli Subject: [PATCH v7 10/31] mm: use __GFP_ZERO in vma_alloc_zeroed_movable_folio Message-ID: References: MIME-Version: 1.0 In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: LIVPz0IG9ZPkFid1ijEEMcx5cfrKVfNOVn79_YU9RY4_1778619965 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Stat-Signature: r6ugy1q1kpc6s6da656fsa7drkprca75 X-Rspamd-Queue-Id: 58A8A120009 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1778619969-173239 X-HE-Meta: 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 fgS+2F59 JalZbvYVEKS17pjVQR6MZIhmkU8wLR8Q8hiQLJtl7Xa4pYRO7XnuAGVbBhz+xQEtQZeT/GxvT4eiMPiOYjw0yLovZQjxcMvYdhkOjEPV60Gmvpf7gbQoMVWS5JDzoVF/7nmYV6Bfjp36bv2CQX458ZUwt1k2jaGfFoUgLc4aNNM4hIdFjTynGkF5D7qhFWrrfhb7mVp3x9KPspKA1KAbj96hlIdo/8lbKU0uqWUXPQEBLqeyWBy4IfFjynq67dRG7wKgNEKqhDT1+MPD9TvBNVPmIcW8Bw2HUWSVyNsI20lyV4F1iQy///SuV+VxvhbBlV9UY0IxL1le94wt+hIM5L2wwFhxuzwRm9/bcW88r62oH6rfggcIOv/BfzhUWHXtrmxVYsrCVkTF9sHYjPA7vDuPZeC0fJmlzQHkAfT+xuWRJ05QYRTksX6ySNJDTvjV3bs50 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Now that post_alloc_hook() handles cache-friendly user page zeroing via folio_zero_user(), convert vma_alloc_zeroed_movable_folio() to pass __GFP_ZERO instead of zeroing at the callsite. Signed-off-by: Michael S. Tsirkin Assisted-by: Claude:claude-opus-4-6 --- include/linux/highmem.h | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/include/linux/highmem.h b/include/linux/highmem.h index af03db851a1d..ffa683f64f1d 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -320,13 +320,8 @@ static inline struct folio *vma_alloc_zeroed_movable_folio(struct vm_area_struct *vma, unsigned long vaddr) { - struct folio *folio; - - folio = vma_alloc_folio(GFP_HIGHUSER_MOVABLE, 0, vma, vaddr); - if (folio && user_alloc_needs_zeroing()) - clear_user_highpage(&folio->page, vaddr); - - return folio; + return vma_alloc_folio(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, + 0, vma, vaddr); } #endif -- MST