From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE69CEB64D9 for ; Fri, 7 Jul 2023 13:39:21 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3C0648D0006; Fri, 7 Jul 2023 09:39:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 36FE28D0005; Fri, 7 Jul 2023 09:39:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2111C8D0006; Fri, 7 Jul 2023 09:39:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 1069C8D0005 for ; Fri, 7 Jul 2023 09:39:21 -0400 (EDT) Received: from smtpin13.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id AC344807F4 for ; Fri, 7 Jul 2023 13:39:20 +0000 (UTC) X-FDA: 80984922480.13.5F06640 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf01.hostedemail.com (Postfix) with ESMTP id 3964E4001A for ; Fri, 7 Jul 2023 13:39:17 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=O2auNKDS; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf01.hostedemail.com: domain of peterx@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=peterx@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1688737158; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=VkzChLY9HdEu6d357XN/H6AgzScXOhRLRhZBoNRXs5Q=; b=8RyWOiKZx5Dcg5sc/w5Ho+chPHV/e3/YGeuKBUbcC+2UCNgG7TlH/wPZFDR/ksBxGRiLBx C2vScpHp1co5U3L6Tho+YhPLUe8KvcI82zK1jyTNIIxBA9MvUinrtoMkNt0OQx+Ih8Tyvl P854r05JGC+gM4VbLPwNrgqWKhdHomE= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=O2auNKDS; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf01.hostedemail.com: domain of peterx@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=peterx@redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1688737158; a=rsa-sha256; cv=none; b=PI2UNBQJsRNn3xKHsz2SBWRM/pZ/8se9seSY1WrMVPaxtJ/0EfmJwe2ISEHirIdrjSy8V3 Md4d1CoqAoILjKfbMjuM4xdZvg6VOGwjQ6M+hu9RfzljsOk8oLcNLFAyXylf7Lek9gWMaJ ccF3ue2sYBUm2C4EJ8XhOmbqFM5/piU= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1688737157; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VkzChLY9HdEu6d357XN/H6AgzScXOhRLRhZBoNRXs5Q=; b=O2auNKDSalokudIDJG2ym6poO36bghWX0yU8rPgz2iIIMtGfRojFAmdwQd0fNCYsk9vtso WUT5iHkfjzBtbqBu8SUXf874oOCCmlVUiqEz2dRvkd8hiFfPyYsneb6pxOTduLPsirgPNe KBC4Lw+5OUI9hCemSDTyJy+AbJEiqhI= Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-283-UrmtCmXKMuqE21OID_DvaQ-1; Fri, 07 Jul 2023 09:39:13 -0400 X-MC-Unique: UrmtCmXKMuqE21OID_DvaQ-1 Received: by mail-qk1-f197.google.com with SMTP id af79cd13be357-76721ad9ed7so37999785a.1 for ; Fri, 07 Jul 2023 06:39:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688737153; x=1691329153; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=VkzChLY9HdEu6d357XN/H6AgzScXOhRLRhZBoNRXs5Q=; b=YwFjVmRi0HFbwtqFGCgKTxq7oDNYYIMroSI2PtHXrGTpLaf/08xKCNMSuP/q9HToge K/o+gBySMp2M8q4+OZ/5t8TdFZh4l8ApyKOtFaSNHj9qjU0mJ8QT2FOnUuH1wqm2/Mxr VZUAhwWtdmjUSj1PJpSpijMljjwy6y18ddLLbbgkWI7bgvh3FFlYNXC+Ls4XxpIR7wYG LK4rB4dH9BFoIP05U2EpHsIEVUNlNY6OmHk+UwLUhjaWQGDek/e2zieguxZ9ZaaH4OwY ndqtBFdxv7PPonRbHiYWsuTwQBLofvOsXmOwcMBqWZsL1ryjC9ulGiaW/bHQSuxg/hbJ siKg== X-Gm-Message-State: ABy/qLY/7hxIEmIrFunQExkygCjEieybQlLhYt9d3G/zN6r6C9SZjNP7 cMmxuBDcWT3rac5Ys2O5iHAljs6lEOnKNJjRz5LR71r/NaoeLVBAl2AwlXVzdBlIUh64cBm3aOS BtRByeTPkZsk= X-Received: by 2002:a05:620a:46ac:b0:75b:23a1:69ee with SMTP id bq44-20020a05620a46ac00b0075b23a169eemr5751039qkb.5.1688737152788; Fri, 07 Jul 2023 06:39:12 -0700 (PDT) X-Google-Smtp-Source: APBJJlHisqRU4zty/LgSeJhrGlLL7Qi/Onw5W451/3DenbEb2/djgvkWY3dMDPa+N5YkDQdPGuIvlA== X-Received: by 2002:a05:620a:46ac:b0:75b:23a1:69ee with SMTP id bq44-20020a05620a46ac00b0075b23a169eemr5751018qkb.5.1688737152545; Fri, 07 Jul 2023 06:39:12 -0700 (PDT) Received: from x1n (cpe5c7695f3aee0-cm5c7695f3aede.cpe.net.cable.rogers.com. [99.254.144.39]) by smtp.gmail.com with ESMTPSA id g25-20020ae9e119000000b0075b168fcde9sm1808290qkm.77.2023.07.07.06.39.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jul 2023 06:39:12 -0700 (PDT) Date: Fri, 7 Jul 2023 09:39:07 -0400 From: Peter Xu To: Axel Rasmussen Cc: Alexander Viro , Andrew Morton , Brian Geffon , Christian Brauner , David Hildenbrand , Gaosheng Cui , Huang Ying , Hugh Dickins , James Houghton , "Jan Alexander Steffens (heftig)" , Jiaqi Yan , Jonathan Corbet , Kefeng Wang , "Liam R. Howlett" , Miaohe Lin , Mike Kravetz , "Mike Rapoport (IBM)" , Muchun Song , Nadav Amit , Naoya Horiguchi , Ryan Roberts , Shuah Khan , Suleiman Souhlal , Suren Baghdasaryan , "T.J. Alumbaugh" , Yu Zhao , ZhangPeng , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v3 5/8] mm: userfaultfd: support UFFDIO_POISON for hugetlbfs Message-ID: References: <20230706225037.1164380-1-axelrasmussen@google.com> <20230706225037.1164380-6-axelrasmussen@google.com> MIME-Version: 1.0 In-Reply-To: <20230706225037.1164380-6-axelrasmussen@google.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Rspam-User: X-Stat-Signature: fsfeibo7zmo5y1ybpyg3ixs91ff3hqup X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 3964E4001A X-HE-Tag: 1688737157-71596 X-HE-Meta: U2FsdGVkX1//7EVWsI6v4eifvRHt8RWoVwBjGy8PvSy9bsaBHvFNpi/vMNoxOFHSqbUnvvnOziFH6Qhk9TfWYTjT4o9eYkj3fIKeIiqQLGc6cU/IVT4ruykQYrPZRc47ocqheZvFzUP2w/iI5fHH08hGGR2rG9ivV23wvWY5H59KDGcoZl5zJv16f69A+kE8LL8CryaM6FNaADRKrts1qyhtVutRYlvhUC8Fef976rkm/+wMDc+MH0ajtmEjlwHrlrbBTe0Rmks1LmCnY3pwHBbQMNHE63rfndzKtYzlNShVzZlIV0GeaJdrFKmKOzo4fuqFHVHLgRN/8LLAouRZ28e+UlwEnrDTAaCVAj/Ssn77wpyFRrg7YPSr6ceJ/S3ex7I1Bb9KMBetUyNYCivmDFWl6wAH9Rj/7mF1jecvQr9vmaHVwuxs5QU6LqO0GlBdm6Dq05xcaMr/WFIIMxxC7fhCce9FmdNk2+StJqShhhH0krI3SthbfR6A2oF6TQVp6Flnadc3CSQiG4V08rpLPTqfGsEKb/xjUswVoyK+9xKSjaHe+Zb39stWweMWwFS1yvi+sQ1GGqS3rjY3f4qP2uhnn93PMZSuGsxaExpUaNUVgrkLkhXBkrWGM1LzX7O0IYqwdqD2S2tGLX+JnxWwHXYiw+UA7BvM6CvtZo8ZDj2g1qxNXmoOpT4Ruxn5+sIF8zJD2N1xPa4S2EcvHSOk0OofwTB8x38tn18e7wPKwTRQgP4ZxmHzmKX9Kz25sTfdXBdm4CqO1ke3Krn4qCm5xqAMWerveTyPG/xLj98WDLNTbJWrG5J2QEnB5Y36TkfzBJkmgZyNVTu37tJziPm6MmJrUZLcZCkhnR4kQ7+eH1Z8PZyxckbMJAWQ4AUd6tkG6cduKHDFG71Z6l4uHdtKurRV0kzk/DlRouNJR8NEY9QARUsp/cJEHmsDjpG23O/aaM2adpO+1fervwmeK11 W3QXeXoT WSuJLu2vxmIWbUuWsbahy5HJ/pd8+ZhH8H3Xc16G7OcVFv5YbJSPpgmriMcbFHU5YL83CXwJv/HCd6+YG0T5kVtnoEIsPkzhEgjzIG4kvTqYS1Dlx2YblylKkUjEFUSHwXYpi+qs8AYdHuDeZp9+TQUPOmmNyGPTU0bxQIWSkCFFeRiUoQMPApzQFA4KHME8cFVuF0i+6YvATMBucuMyQ9zP8Wplsf+HiDr/x7QBOqZtEtLCrZK5d5qaGCsOTugkXIbndzpVJd+3udZVtYph9VRnaFluFULQH6/GU3MNxW2Kw0T2lYPra4ylPFPw2cNpKvgHCcNmHrOUQ/eRDW0V9OHUvN7HBEXT+O2h7CvHUoElcAss9xyP9QKVp3TCfpQEgACGKTQ78NsA2Q9DJCgcgYF57mDDWPU08JCC7FvsQUjmZuuTYJNfoRPScxkBlzv0l4gyT3sWGRuCcgXk= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Jul 06, 2023 at 03:50:33PM -0700, Axel Rasmussen wrote: > The behavior here is the same as it is for anon/shmem. This is done > separately because hugetlb pte marker handling is a bit different. > > Signed-off-by: Axel Rasmussen Acked-by: Peter Xu -- Peter Xu