From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.214.179 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794686219; b=pbaKzvxoj/TOdi/VLvNpnDYmTg2/I7j40HqLtMtgX6+RcQ/MWW4K1ZdychzUuvtD1b6D sXBU7+cAWuTbhlnFKTSX1YBw8e5Yi7+o8PO8wjP3QNQ8MEaITEh4u+msWqeYV1S0+zrTR HGh6uwGVsjG6pZacAkdltdr0RhN4fIWVVL6B5zJ1Ce2baCHpnVy7MEw7c3IU+QMBgTTCr 6S+1b35kQQ8bnChplJh2WHZOzEdBNs4SuX7JyyQlr4uLvUUOLnfoZ+ncWCPrU0gBDNxPL t3kFJjlS3VJX/ih0fPukDaqvbNMqA+nMjA0L2ed+2Dwxq9fh6hwciiM1iGzR8sEh0Xw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794686219; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Date:From:To:Cc:Subject:In-Reply-To:References:MIME-Version: Content-Type:Content-Disposition:Message-ID:User-Agent; bh=YJV/kOno9dtsXAkcAOQfE/oQzfJxocwLJi3WPYE6qNI=; b=LjdKwQUOEqrZYtWqkm6uOwN4tNaMNYVrgC1a9nptax4vsHbMGzqHkH/flKGaL3nYNDF3 QIWZ6re7VYux5TD/D7A/uTF/rZuNLo36AGMnYQ2agqGuALhH0IglzWQm0qU+msb1URx1h 7Enx9XjbJZWrtM784LvS6slD/w34ibATX39ch6Jl3Y/drkfaD9CIV3JHkNhWBE13syCAO iTNKBSN5xO8hO3IyucB8wZb6RJ9nJLtxRsN5Dv5Dfo+X0H6ovTHutSe2cD6/NUyZS1QYg HcuLnRSLq8JM1AQWDFWi9JsQ0pQY1N7uvnKHb+TvzewQc5gyFgLGMYjyA1JfOd3kfkw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=chrisdown.name; spf=pass smtp.mailfrom=chrisdown.name; dkim=pass header.d=chrisdown.name header.i=@chrisdown.name header.a=rsa-sha256 header.s=google header.b=vCIej0PX; arc=none smtp.remote-ip=209.85.214.179 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B95AE606A335 for ; Sat, 14 Nov 2026 19:56:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org B95AE606A335 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=chrisdown.name Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chrisdown.name Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chrisdown.name header.i=@chrisdown.name header.a=rsa-sha256 header.s=google header.b=vCIej0PX Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-2ed1e9ae5a8so7675255ad.1 for ; Sat, 14 Nov 2026 11:56:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chrisdown.name; s=google; t=1794686218; x=1795291018; darn=vger.kernel.org; h=user-agent:message-id:content-disposition:content-type:mime-version :references:in-reply-to:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=YJV/kOno9dtsXAkcAOQfE/oQzfJxocwLJi3WPYE6qNI=; b=vCIej0PX9dOhvVI1XQrPg3zB8HDYKWUKJUfIIUezj8rzlKXOq0OMq3pe4wQ6XpdOmS NYBcf2KVLtwBMAKAy6dCSHE3G6Ij1MQMaxPUZxuqz0NduffBv7xLdt4vIZKfYghEMKCw nsMry00kZ+7KCUIo2gRoP8PU2opDqLwVR/xnk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794686218; x=1795291018; h=user-agent:message-id:content-disposition:content-type:mime-version :references:in-reply-to:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=YJV/kOno9dtsXAkcAOQfE/oQzfJxocwLJi3WPYE6qNI=; b=VfjNeelVmqGVs9HttfvIJgZbWFo7qK6IiZbQLVQMeNSKkk5L76TTsU52DrtJZ7n/We KIXSkSEjaK/PVlXSBbiRFtv+mUgxVJ2GdOp/zOx6pVb94nFzrj8UL1iYUB7FA4SlDITZ 8QAGEg6SrZoA/W31Yu5sXL7nkyA7f8Qu+SzpBd2SidDHjJZdRCECM6e6Rfq3e05tpkXh 5+++Ja5uQRipp5ymGgk0mLk8mExGEMW2o/a3f0ouOu/qklOAtMm3XxvTBJ877sL7nCzS R7c3X3UNzyIFVkZFFK9s0wUn25rIfT+vrh5NzpM02wbA6zhYDM8VBwvEzjEfhSW1RXFS 5zSg== X-Forwarded-Encrypted: i=1; AL+hErEU0d2NUn8rxT/gZNIaa08VzzhYoeZWiMJIjx429mJ+S0N9MlffbhIrJorQNQebQiR+6gymFOa/h/74buI=@vger.kernel.org X-Gm-Message-State: APuU4Z+jIm8Y5yv5rxUwaTUWU2RD54c4l5n5Gu/rb7OaDNEfXBO/kQry ebYd33H7oVwjGAH8cALaHpPPsXmhcv34/yA3ypBxb3XKMy8ew8kprSpkHysq7hPpzhw= X-Gm-Gg: AYBFou3F+0Lb4STDdN/TO7aBrrIA8Bw4V9T7RBN7ECXrE6A7P3g6icMM40sngDFeblX Yxj2/P5EocOi9kuh4UgvClc5w3h8ygIO1e/hQOh+ODgDdzYTtxHDwxjmxWsCvOfPX2vhcFzQs/T YJE8WPUFu8pI49+0Ys7Bw3DI/muFytx7JWeXVFf/xGSI//ZyyYNrFkb7M7J8s6nJIYbY/GctPX2 ulyeC5cLgHUzJk2THRypmG9vYZhd8F6g0hrJvzspKx0H8Ffmj5YkdS1yvVe2/a7m1lgTy3Ub9y2 IOC475Zu7HEgw/AozxGIE+8pb5cLlSUZEdhKUUuHTm/x0z8TbbRpmns0jZ/WlGTLuvWEzUIHYHB QfAKc3OU+KBCNuDmgOGSGZSth3TY6GpgOvEZEVi7qNZwyhSj1wl3dMN5lCuFiD/i0kxHIaLI/oS QxORiFOL7Zw6/vKuzKDrL9TNzsS260RAyWMReHFzX5t0dhgy88AMaGVONb8mC7WrXHhGclrmxzi fUm6oBvptYzsgGpB18X1HNaSpVaklES81lUycAXxQAWud54jP0Nh7y8v883EqRkKCoVLVGS6nlp yLolnhYWQGMc41DqjdV7QNZAwjeg+GG1LbncKhZDvOvFCpM/0VlIySi5c+dTiUB0dbCYMNzDdST kttSMcP0mJahXq8BuEe/DIbkwDfDgY50UdF6BEc95tdSxM1CAS8nf7WSd0HUzqm1gpBx9i9EsXF 20Y/sBXV/SWuLj6dVwJmDOcY9DGbEt+OgkvBUR89DbfKJFiZXLsZDeGQ== X-Received: by 2002:a17:903:2b04:b0:2e9:4d43:d58a with SMTP id d9443c01a7336-2ee0d65fb59mr62764435ad.1.1794686218088; Sat, 14 Nov 2026 11:56:58 -0800 (PST) Received: from [172.22.0.2] ([4.16.0.251]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ee0f8dc955sm22202275ad.62.2026.11.14.11.56.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Nov 2026 11:56:57 -0800 (PST) Date: Sat, 14 Nov 2026 11:56:51 -0800 From: Chris Down To: "Lorenzo Stoakes (ARM)" Cc: David Hildenbrand , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , David Rientjes , Shakeel Butt , Andrew Morton , Jann Horn , Pedro Falcato , "Matthew Wilcox (Oracle)" , Jan Kara , Nhat Pham , Johannes Weiner , Zi Yan , Matthew Brost , Joshua Hahn , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Usama Arif , Kairui Song , Balbir Singh , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Kiryl Shutsemau , Yu-cheng Yu , Dave Hansen , Dennis Zhou , Tejun Heo , Christoph Lameter , Peng Fan , Josef Bacik , Chris Mason , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, "Borislav Petkov (AMD)" , Mark Brown , "Dennis Zhou (Facebook)" , Rick Edgecombe , Josef Bacik , stable@vger.kernel.org Subject: Re: [PATCH v2 07/13] mm/migrate_device: look up fault folio after a split In-Reply-To: <20261113-mason-migrate-et-al-fixes-v2-7-50a2ed382b61@kernel.org> References: <20261113-mason-migrate-et-al-fixes-v2-0-50a2ed382b61@kernel.org> <20261113-mason-migrate-et-al-fixes-v2-7-50a2ed382b61@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Message-ID: <20261114115651.2b3100f5d9444151@chrisdown.name> User-Agent: Mutt/2.4.3 (cc9e3943) (2026-10-09) Hi Lorenzo, Thanks! I've tested this along with 06/13 with the HMM selftests that split the fault folio, and it works well. Reviewed-by: Chris Down Tested-by: Chris Down Chris