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[80.230.48.7]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e7e45ff89sm115577295e9.8.2026.05.11.01.53.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 01:53:40 -0700 (PDT) Date: Mon, 11 May 2026 04:53:35 -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. 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Howlett" Subject: [PATCH v6 09/30] mm: alloc_anon_folio: pass raw fault address to vma_alloc_folio Message-ID: <96bbd5dcc37aed93a9b7733780bdcba4fdacfa3d.1778488966.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: bh4BmfST6f-A0b72I61bSHKBe01VYx2Jitohp8kQ3_o_1778489622 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: EA0D6A0008 X-Rspam-User: X-Stat-Signature: y4ygprrn7qm635b6pniq94cqqu53iur7 X-HE-Tag: 1778489624-660168 X-HE-Meta: U2FsdGVkX1+9pO7MrFPVNK2xHPx+/clThQqsa6G0//Z26+Xi5qFWLEibOFD1S6WW6KNB25GzMsOs+rCXHkJRER8k2BU+PoS25hOfbbmwiNY8hYNjas+PIdend4kWJ3c76rS6iaeQdUWEAhEPS67cNYtcipIECnksLrxIc8pfDPQHeIGAa5OSJZJDiRHk+cJ67EObUIazBWURHCWk61ECPbI8oVL9TKs2ACxwL0QylltftXfEhIYlif7qUubGVqZk+49RXm+JzcJ3yGQiq0MYU8w16JhqXsrjM1baebwV3wcvsL9BYzk0/RnPQ8NLFWauRrQmKoSAURLK75gn0xGLksSYACUKjfgpcueF9DSswDCph8dbKRG7MYg1kSsitNVxQIVDj8GOItsOKXe79z+APnJNIFHCxYMzYlTX3Mj1HSsRfQb2vk51f4OOO6Oo7mb9eYeuP7X0nnK8bCKf5SCM49TbG0RDjIpRJ+r2Em1eXaLnIta5xeGkIycoy3cocqp/Rpi0sVOWT4xSDTquRthyKNvty4SqzXXSeabhlvW2bRmuHkm5xCtuJ2fLQH2oeQExbh/bLkyo6JwjMfmHKy/FLBX7HZ0T0Y/TwQ6BCk1WlftoNZ/71SOX+QczWrSlGWl8xA1zRmASJ/1N8zzK+wnC15m+c1xJS85pNUDm7P8I39kPkHSQ2uGHMObRWb0ZCwljSVJTAzhlnz8DFcWg6P5uW8nctn/40sOZQfmrpbq4igKrccV3s5kMoOiCrGgR8mVWbYdYlnnattX564bm2axFh6ewNEN/LcWPOrf/viyN6VvYfBMI0boEgllfimO7OTzZUqgRSJePGIasm/VSZ4OKuwFiP3gvlU6CELI432fia5D3FTaq7WFKYHqs+JBd8CZGs5fgtCmn5i/0W9lhb72uaLNTgXXgA15Jy50Fi19NCHCGmd1MOdZgaquDCkRWbIDhcVisV1iBjhJwqI0h6gf 4ixJ8InH K5bvPci+AeaucyvA/BCjzDEycptpXqVikNoAUShyFBOYdHUDbtWKbO2R7QMhwIZvE5PO8EO5wDr42PnsKFMUUBLLW1gXP+g1Vuy8DMgXNooNJFiVcwF2QF4NU4fR2rKTAd/dpuvHPDaptABu5nx7ObOoumwQ/kkJLRmkFpd0OS6b68MTmlJg5uFvsXJfJ5aVNNwh5UXJ14bXI4OzRm/n2rGEopP4m7VwdU6CHTSLwjOl9liKNn10MquXsZ+sDOiTkf+Gg3Xzfhji/BfHUcEY5CnkFPGyapmbXdRQZd4/LJqHVawdxYx8sc7RriDY8rlL56GcSUlCaCQ+e6bYhjIUwNrFcZMcBj+mEzjqKA8XZvmKvmegNBb93k480zhVJeVHDz5QNe0S9+gi9qSYhVmDOR8SDQL2gp5VkpUC+HHd4aQEkKYWceHJmKpYl1gIn+v+Bie8Yx3R4R4m/5gVH5iNbiRf8QTSadLKCG8Ks 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