From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=Y13L=BU=kvack.org=owner-linux-mm@kernel.org>
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=-5.5 required=3.0 tests=BAYES_00,
	HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,
	USER_AGENT_SANE_1 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 B59B5C433DF
	for <linux-mm@archiver.kernel.org>; Mon, 10 Aug 2020 12:24:24 +0000 (UTC)
Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17])
	by mail.kernel.org (Postfix) with ESMTP id 90BE52070B
	for <linux-mm@archiver.kernel.org>; Mon, 10 Aug 2020 12:24:24 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90BE52070B
Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de
Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org
Received: by kanga.kvack.org (Postfix)
	id B9C666B0005; Mon, 10 Aug 2020 08:24:23 -0400 (EDT)
Received: by kanga.kvack.org (Postfix, from userid 40)
	id B4AA96B0006; Mon, 10 Aug 2020 08:24:23 -0400 (EDT)
X-Delivered-To: int-list-linux-mm@kvack.org
Received: by kanga.kvack.org (Postfix, from userid 63042)
	id A60806B0007; Mon, 10 Aug 2020 08:24:23 -0400 (EDT)
X-Delivered-To: linux-mm@kvack.org
Received: from forelay.hostedemail.com (smtprelay0151.hostedemail.com [216.40.44.151])
	by kanga.kvack.org (Postfix) with ESMTP id 8D5F26B0005
	for <linux-mm@kvack.org>; Mon, 10 Aug 2020 08:24:23 -0400 (EDT)
Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251])
	by forelay02.hostedemail.com (Postfix) with ESMTP id 348353AA1
	for <linux-mm@kvack.org>; Mon, 10 Aug 2020 12:24:23 +0000 (UTC)
X-FDA: 77134576806.16.dust38_4b0d21826fda
Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251])
	by smtpin16.hostedemail.com (Postfix) with ESMTP id F0B4A100E6912
	for <linux-mm@kvack.org>; Mon, 10 Aug 2020 12:24:22 +0000 (UTC)
X-HE-Tag: dust38_4b0d21826fda
X-Filterd-Recvd-Size: 1215
Received: from verein.lst.de (verein.lst.de [213.95.11.211])
	by imf40.hostedemail.com (Postfix) with ESMTP
	for <linux-mm@kvack.org>; Mon, 10 Aug 2020 12:24:22 +0000 (UTC)
Received: by verein.lst.de (Postfix, from userid 2407)
	id D43FF68AFE; Mon, 10 Aug 2020 14:24:19 +0200 (CEST)
Date: Mon, 10 Aug 2020 14:24:19 +0200
From: Christoph Hellwig <hch@lst.de>
To: Peter Xu <peterx@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Marty Mcfadden <mcfadden8@llnl.gov>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Jann Horn <jannh@google.com>, Christoph Hellwig <hch@lst.de>,
	Oleg Nesterov <oleg@redhat.com>,
	Kirill Shutemov <kirill@shutemov.name>, Jan Kara <jack@suse.cz>
Subject: Re: [PATCH] mm/gup: Allow real explicit breaking of COW
Message-ID: <20200810122419.GA19656@lst.de>
References: <20200808223802.11451-1-peterx@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20200808223802.11451-1-peterx@redhat.com>
User-Agent: Mutt/1.5.17 (2007-11-01)
X-Rspamd-Queue-Id: F0B4A100E6912
X-Spamd-Result: default: False [0.00 / 100.00]
X-Rspamd-Server: rspam03
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: <linux-mm.kvack.org>

This patch only seems to add a flag, but no actual user of it.