From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=lzY1=6F=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=-2.3 required=3.0 tests=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 A9C7EC55182
	for <linux-mm@archiver.kernel.org>; Tue, 21 Apr 2020 07:55:39 +0000 (UTC)
Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17])
	by mail.kernel.org (Postfix) with ESMTP id 59D952074B
	for <linux-mm@archiver.kernel.org>; Tue, 21 Apr 2020 07:55:39 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 59D952074B
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 ADB308E0005; Tue, 21 Apr 2020 03:55:38 -0400 (EDT)
Received: by kanga.kvack.org (Postfix, from userid 40)
	id A8BD18E0003; Tue, 21 Apr 2020 03:55:38 -0400 (EDT)
X-Delivered-To: int-list-linux-mm@kvack.org
Received: by kanga.kvack.org (Postfix, from userid 63042)
	id 9A3BD8E0005; Tue, 21 Apr 2020 03:55:38 -0400 (EDT)
X-Delivered-To: linux-mm@kvack.org
Received: from forelay.hostedemail.com (smtprelay0210.hostedemail.com [216.40.44.210])
	by kanga.kvack.org (Postfix) with ESMTP id 7F3FC8E0003
	for <linux-mm@kvack.org>; Tue, 21 Apr 2020 03:55:38 -0400 (EDT)
Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251])
	by forelay01.hostedemail.com (Postfix) with ESMTP id 35AA7180ACF62
	for <linux-mm@kvack.org>; Tue, 21 Apr 2020 07:55:38 +0000 (UTC)
X-FDA: 76731102756.14.bit32_6b5fd9e05ce0d
X-HE-Tag: bit32_6b5fd9e05ce0d
X-Filterd-Recvd-Size: 1588
Received: from verein.lst.de (verein.lst.de [213.95.11.211])
	by imf11.hostedemail.com (Postfix) with ESMTP
	for <linux-mm@kvack.org>; Tue, 21 Apr 2020 07:55:37 +0000 (UTC)
Received: by verein.lst.de (Postfix, from userid 2407)
	id 58CB668C4E; Tue, 21 Apr 2020 09:55:34 +0200 (CEST)
Date: Tue, 21 Apr 2020 09:55:34 +0200
From: Christoph Hellwig <hch@lst.de>
To: Matthew Wilcox <willy@infradead.org>
Cc: Andrey Ignatov <rdna@fb.com>, Christoph Hellwig <hch@lst.de>,
	Kees Cook <keescook@chromium.org>,
	Iurii Zaikin <yzaikin@google.com>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org
Subject: Re: [PATCH 6/6] sysctl: pass kernel pointers to ->proc_handler
Message-ID: <20200421075534.GC15772@lst.de>
References: <20200417064146.1086644-1-hch@lst.de> <20200417064146.1086644-7-hch@lst.de> <20200417193910.GA7011@rdna-mbp> <20200417195015.GO5820@bombadil.infradead.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20200417195015.GO5820@bombadil.infradead.org>
User-Agent: Mutt/1.5.17 (2007-11-01)
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>

On Fri, Apr 17, 2020 at 12:50:15PM -0700, Matthew Wilcox wrote:
> > cur_val is allocated separately below to read current value of sysctl
> > and not interfere with user-passed buffer. 

Ok, I'll fix this up.