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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8805FC433ED for ; Thu, 22 Apr 2021 01:16:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4FF19613AB for ; Thu, 22 Apr 2021 01:16:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239002AbhDVBR3 (ORCPT ); Wed, 21 Apr 2021 21:17:29 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:36429 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234970AbhDVBR2 (ORCPT ); Wed, 21 Apr 2021 21:17:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619054214; 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=XFnN2bqFK9UPgJTphfDgcHT3qr8qmbD8e/7QuCKFZRE=; b=MeYN+0g+7TceWsVVFkglApTZJZpLVKP/c7jgbrMgigFvQWqGLgCSnN5iUKXgh9iqYWPak4 97A40VulXDKdKygQnW81n8w+DX2tWwVFvlbHJvJi3+Ii4sXo5VXrh2GEFkVSOX2WUV1zlx dlSh0WC0RjtBrMUwQMjmNVkxhCmaaeg= Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-540-mQGnjFGFN1qn0z6xgy883A-1; Wed, 21 Apr 2021 21:16:52 -0400 X-MC-Unique: mQGnjFGFN1qn0z6xgy883A-1 Received: by mail-qk1-f197.google.com with SMTP id r129-20020a375d870000b029029db870f0easo10895893qkb.4 for ; Wed, 21 Apr 2021 18:16:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=XFnN2bqFK9UPgJTphfDgcHT3qr8qmbD8e/7QuCKFZRE=; b=NUyJyfk/K7o6/Y/GvxTzAov6WGNV0hsr4Wy5e+IPD4ghkz/7iYBf30W1C9Qxp8GUO5 meyee7OywBjKtuha8sBxrudFIu2sYcrsGDzx9vJQUmrgZnc2CT71byPQIJjFSWYU+xCO KSetJ3FkRW5Q/4WZBkuJ83p6Z/hTEoTVPzE4iSTDhMNSOGmyLYVf2jrDpfj33sQc9ocE Kjq1sEilYDLxdOudrjR7EQVW1VRyhc6jSBX6LK0mKRz9trpazgCTeXAHb+uq3xTFHih2 3u+Ve5bsyScL8Il79lQCNd6acXU4HuPFA3rjhlobY0CYKv9SM1KWNLmLxGOnQU1d43QJ uh3Q== X-Gm-Message-State: AOAM532gZZQLyTzXrV7QmL3E3+N/dY6WVrH61K/Y2pFBzEwCHf4ZO4md JJsun0O5oujzpINXei8qgnwLoh4LqtD9Df2zntuCQMfQG9UdRaIok6YEQ58nsHaGZAj+/6iO/Be sAnOHS4HkRlueegnk5WsdlD9t X-Received: by 2002:a37:8744:: with SMTP id j65mr1180684qkd.304.1619054212097; Wed, 21 Apr 2021 18:16:52 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyFgO+vn1DxvxP6Cy9Getpc/El869jXk+gall8+vOS1iR3TOOVL3Cg0Yrodm7EDBFytZ5fJfg== X-Received: by 2002:a37:8744:: with SMTP id j65mr1180669qkd.304.1619054211912; Wed, 21 Apr 2021 18:16:51 -0700 (PDT) Received: from xz-x1 (bras-base-toroon474qw-grc-77-184-145-104-227.dsl.bell.ca. [184.145.104.227]) by smtp.gmail.com with ESMTPSA id j9sm1142078qkm.10.2021.04.21.18.16.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Apr 2021 18:16:51 -0700 (PDT) Date: Wed, 21 Apr 2021 21:16:50 -0400 From: Peter Xu To: Mike Kravetz Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, "Kirill A . Shutemov" , Jerome Glisse , Matthew Wilcox , Andrew Morton , Axel Rasmussen , Hugh Dickins , Nadav Amit , Andrea Arcangeli , Mike Rapoport Subject: Re: [PATCH 00/23] userfaultfd-wp: Support shmem and hugetlbfs Message-ID: <20210422011650.GC6404@xz-x1> References: <20210323004912.35132-1-peterx@redhat.com> <20210421160352.GJ4440@xz-x1> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 21, 2021 at 02:39:38PM -0700, Mike Kravetz wrote: > Sorry Peter, always get preempted with something else. No worry. > > I'll start looking at the hugetlb specific changes and back my way into > swap special pte support. I feel qualified to review the hugetlb stuff > and hope others will join in on the common infrastructure changes. That'll be great; thanks Mike! -- Peter Xu