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[80.230.48.7]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e702e5516sm264424385e9.7.2026.05.11.02.02.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 02:02:37 -0700 (PDT) Date: Mon, 11 May 2026 05:02:32 -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 resend v6 09/30] mm: alloc_anon_folio: pass raw fault address to vma_alloc_folio Message-ID: <96bbd5dcc37aed93a9b7733780bdcba4fdacfa3d.1778489843.git.mst@redhat.com> 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: E46j9C4qSafaX1TrrYlQ3HPlZ-CepfsTHEqnxI1XWt4_1778490161 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: C701F180010 X-Stat-Signature: noafktq7bh7w9qmky1phnxbczfxcddsm X-HE-Tag: 1778490163-115083 X-HE-Meta: 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 sn+5oc3O 53Ubn570Ei75UE2AfD9hMGXlES6KK59fI0yqdsEDITNFykNYcrnK0c9hwzM/et5chU1lHc0Qdf2r6ojWZGHEIwLP/qlb14CdrkMdN4C8RS6zV+VNotEhyux+vuzslXTF2hpfW7WPxdiub4yYfF45Roeao1tqZuLkqNrNYSOEeUUecBZpKFfjeTmPqRQw5WYA8g1zrmDnAMYWTluw98LHZPE2OUozf9DnuIZ4PvK3RT/XPFMVzDRvXyZU10zUlQlyr7hNJOBO/gAxeqCLppRokCeVVXPCNINHHwHAj7JaLT56klJgPsMlDL2Szg7Vm3pSU1f6LvcEDcrMEbTQRf5ZaYQfxUcbayoz7e7R95yGCVgeiuriL4UyWu0le5HbeM04SKygUDtuzD/HUgebYAUeU1fG783j8thr/UfrWMobJjS/MKbithVrCL3IBX7IyluQrGiR/dAMhEXe3/9V3PkvD3CDLO5pTKG2RKTlW 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