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[80.230.48.7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45491da03a7sm24453888f8f.33.2026.05.11.01.53.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 01:53:28 -0700 (PDT) Date: Mon, 11 May 2026 04:53:23 -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 , "Liam R. Howlett" Subject: [PATCH v6 08/30] mm: alloc_anon_folio: pass raw fault address to vma_alloc_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: bgKw8v9ru6RLJJKvmI7Cgd5qlF-JCLFj1FpeRA4mw8g_1778489612 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Stat-Signature: thc1knwr5sn8jcwdj1ysgnc6sdmkrith X-Rspam-User: X-Rspamd-Queue-Id: A987980008 X-Rspamd-Server: rspam07 X-HE-Tag: 1778489614-892052 X-HE-Meta: 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 nM+OANb8 awaXoZQYTkEdyx9R1U6f5CsMT0YxZNkq7V7f9IyEFvomACLwJXMw9xT48ZUKHQd5mt40gWZEfYMM1Ms+hsqvAclTe/y94e/tUheHcagAj0e2gOdyO/PYBxdr1agYHpWYL86Ht7LUja6hvadw7SpfL9hiajqNydbmkQ6lzD6WTu03qilGFWhK6XM2Xcy/jes8iIPrURXaMhIsbPqLPAFURDvqAUtDRc6VJpJNjlEpTXYGZkG0HcbJ1h0IsZza/6qo9JAXeV8Ud+oxS7LmsjhP01jT2z8MFbvUMgxARXTdGdLZZS/kKq8rfL5vmLz8XDckr6KJZUy3tbeu5d6UxeSMWBCKz1WnMsDna+RIquvxxzfECf8lI/EpWlsBMOCbEnsfcA+SlGXz0KHodVroXtm+YmkUSLpJZjW4pNTEbTN+20fg/sNl1YHlt78CaFTQGZJsP/wUq9Rcm8KtXPOTiaA2rQIeG8bZg+4u+WvuP Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Pass vmf->address directly instead of ALIGN_DOWN(vmf->address, ...). vma_alloc_folio_noprof now aligns internally for NUMA interleave, and post_alloc_hook will use the raw address for cache-friendly zeroing via folio_zero_user(). Signed-off-by: Michael S. Tsirkin Assisted-by: Claude:claude-opus-4-6 Assisted-by: cursor-agent:GPT-5.4-xhigh --- mm/memory.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index ea6568571131..0824441a6ba1 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5252,8 +5252,7 @@ static struct folio *alloc_anon_folio(struct vm_fault *vmf) /* Try allocating the highest of the remaining orders. */ gfp = vma_thp_gfp_mask(vma); while (orders) { - addr = ALIGN_DOWN(vmf->address, PAGE_SIZE << order); - folio = vma_alloc_folio(gfp, order, vma, addr); + folio = vma_alloc_folio(gfp, order, vma, vmf->address); if (folio) { if (mem_cgroup_charge(folio, vma->vm_mm, gfp)) { count_mthp_stat(order, MTHP_STAT_ANON_FAULT_FALLBACK_CHARGE); -- MST