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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16FB1C25B08 for ; Wed, 10 Aug 2022 09:29:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229771AbiHJJ3I (ORCPT ); Wed, 10 Aug 2022 05:29:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232096AbiHJJ3H (ORCPT ); Wed, 10 Aug 2022 05:29:07 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C288B6B650 for ; Wed, 10 Aug 2022 02:29:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1660123744; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cYlVavV3CJNDmR/k23+nnTOqqc22cvfzjUUlVxgKawU=; b=VST4oFlF9bHb71OO0hPH1Ey8qI6kOu4nkyggi7JQnAzrhvaRYQuVtAUM0+vdFpY9hRoTGj 2ss7KSg7vMUh2T8fSLKfSPVdsbqZ7eKkGUg0OtRcgK9aj4UBSsuG9K+YnltK7Jw1McIQrY jbfpUKdxCXxWT4v/4XmN2Jrl/YaWpzE= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-497-BS_OAcgpOi-3MGHGsUFHjw-1; Wed, 10 Aug 2022 05:29:03 -0400 X-MC-Unique: BS_OAcgpOi-3MGHGsUFHjw-1 Received: by mail-wr1-f72.google.com with SMTP id e21-20020adf9bd5000000b002207a51b7feso2191936wrc.10 for ; Wed, 10 Aug 2022 02:29:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:organization:from:references :cc:to:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc; bh=cYlVavV3CJNDmR/k23+nnTOqqc22cvfzjUUlVxgKawU=; b=q/M9DJCdw2jSbzUcu7O0pMbXDa7BLhIDA6iCIJKmCDulglbD6JHl1ZyzAax+PYoj5d 9NvOfzwo9pmwFL8r6eEx+0KmO0evEsH/nFrj1sm78N6s4ODjuv421imeV4ESjcTMkxZS Sm9djIEZwyObeyVU4BzEMl4XSQ5cz4ZwN4Cm845p4Osu/qCsysmPDRIbBC1xXlrA10g9 tiq/kE37jHOuAPvaEVxPc+gbK9RUbJjQND1LJpaPJm64UdoG7NbUo8+M9mUCa7Dk+2/2 6yNCzKVSEvi+UDEPxytcysQQfAeJqo7LgKHBm4KIer2lJyH2VaqQ5Oz2XD722Hjfy/YS FZ0A== X-Gm-Message-State: ACgBeo1yf4NKG2wYClv2vls0GZl9wMYZFGVfoAIODHNKQeJ3JkI7k7lS r/7921TMqluXSMwVrqbDVyi9m8lF1gMb5iQOmcWppeIpszZBLdTYs5mMNbJiGUI5ZGCEdmesSqr /yhRqQya4Vt/ibIzf X-Received: by 2002:a05:600c:5125:b0:3a4:f57b:d34c with SMTP id o37-20020a05600c512500b003a4f57bd34cmr1796440wms.193.1660123742438; Wed, 10 Aug 2022 02:29:02 -0700 (PDT) X-Google-Smtp-Source: AA6agR5Ow3GCEx+75VtQ8c5nEXiLi3RCfkdiTsOt80b5J4UMof9inMEunF/B0LrI+KlpZGPls9w9Ow== X-Received: by 2002:a05:600c:5125:b0:3a4:f57b:d34c with SMTP id o37-20020a05600c512500b003a4f57bd34cmr1796424wms.193.1660123742178; Wed, 10 Aug 2022 02:29:02 -0700 (PDT) Received: from ?IPV6:2003:cb:c707:1600:a3ce:b459:ef57:7b93? (p200300cbc7071600a3ceb459ef577b93.dip0.t-ipconnect.de. [2003:cb:c707:1600:a3ce:b459:ef57:7b93]) by smtp.gmail.com with ESMTPSA id u13-20020a5d514d000000b0021d7ad6b9fdsm15792376wrt.57.2022.08.10.02.29.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Aug 2022 02:29:01 -0700 (PDT) Message-ID: <40b78cfd-c43a-8624-cd1e-8680a081a10d@redhat.com> Date: Wed, 10 Aug 2022 11:29:01 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v1 1/2] mm/hugetlb: fix hugetlb not supporting write-notify Content-Language: en-US To: Peter Xu Cc: Mike Kravetz , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Muchun Song , Peter Feiner , "Kirill A . Shutemov" , stable@vger.kernel.org References: <20220805110329.80540-1-david@redhat.com> <20220805110329.80540-2-david@redhat.com> <73050e64-e40f-0c94-be96-316d1e8d5f3b@redhat.com> <36bcc1f5-40e9-2d2b-3e94-18994bf62ca4@redhat.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 08.08.22 21:28, Peter Xu wrote: > On Mon, Aug 08, 2022 at 06:36:58PM +0200, David Hildenbrand wrote: >> Well, because the write-fault handler as is cannot deal with >> write-faults in shared mappings. It cannot possibly work or ever have >> worked. > > Trivially - maybe drop the word "require" in "Hugetlb does not > require/support writenotify"? > Sure, can do. -- Thanks, David / dhildenb