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,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 7A90AC433ED for ; Thu, 1 Apr 2021 00:25:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3362E61055 for ; Thu, 1 Apr 2021 00:25:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232600AbhDAAZH (ORCPT ); Wed, 31 Mar 2021 20:25:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:37890 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229486AbhDAAYg (ORCPT ); Wed, 31 Mar 2021 20:24:36 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B08D961001; Thu, 1 Apr 2021 00:24:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1617236676; bh=gLUa9Cv36lS6Ye58IN3xZXaCNCRPQPiULeyeri4i3N8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=0e/o12XugAFbYd+f0XIAkAcKxPNnub8+C2c1HMNSvRWYKnCMimNnl1D8tYNWymnYU ZN/lzNfAhk3ofH784OKlAPyEHsvGYNHpQWWmC65DW31nfFPqA2caBLrAEc8ph+3663 Affqxwp85K5WZvjMpXOr9Q7W0nwN7ja4N2qzkSL4= Date: Wed, 31 Mar 2021 17:24:35 -0700 From: Andrew Morton To: Michal Hocko Cc: Mike Rapoport , Bui Quang Minh , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrea Arcangeli Subject: Re: [PATCH] userfaultfd: Write protect when virtual memory range has no page table entry Message-Id: <20210331172435.7d06f805c803553517f03271@linux-foundation.org> In-Reply-To: References: <20210319152428.52683-1-minhquangbui99@gmail.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 31 Mar 2021 16:49:27 +0200 Michal Hocko wrote: > > Thanks for the clarification! I have suspected this to be the case but > > I am not really familiar with the interface to have any strong statement > > here. Maybe we want to document this explicitly. > > Btw. Andrew the patch still seems to be in mmotm. Do you plan to keep it > there? Dropped, thanks.