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[80.230.25.45]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da0fe13a7sm59869358f8f.29.2026.05.20.15.21.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 May 2026 15:21:50 -0700 (PDT) Date: Wed, 20 May 2026 18:21:45 -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 v8 15/37] mm: alloc_anon_folio: pass raw fault address to vma_alloc_folio Message-ID: <467ed47f63a499c8d4c6b8209f6a818fb30229b0.1779315441.git.mst@redhat.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent 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 Reviewed-by: Gregory Price 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 02d3e53fc91b..75bee9501666 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