From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755288AbcAOWFZ (ORCPT ); Fri, 15 Jan 2016 17:05:25 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:57493 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750717AbcAOWFX (ORCPT ); Fri, 15 Jan 2016 17:05:23 -0500 Date: Fri, 15 Jan 2016 14:05:21 -0800 From: Greg Kroah-Hartman To: Tejun Heo Cc: Geert Uytterhoeven , "David S. Miller" , pablo@netfilter.org, Patrick McHardy , kadlec@blackhole.kfki.hu, Daniel Borkmann , daniel.wagner@bmw-carit.de, nhorman@tuxdriver.com, Zefan Li , Johannes Weiner , "netdev@vger.kernel.org" , netfilter-devel@vger.kernel.org, coreteam@netfilter.org, cgroups@vger.kernel.org, "linux-kernel@vger.kernel.org" , kernel-team@fb.com, ninasc@fb.com, Josh Triplett Subject: Re: [PATCH] kernfs: make kernfs_walk_ns() use kernfs_pr_cont_buf[] Message-ID: <20160115220521.GA8722@kroah.com> References: <1449527935-27056-1-git-send-email-tj@kernel.org> <1449527935-27056-3-git-send-email-tj@kernel.org> <20160115173014.GI3520@mtj.duckdns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160115173014.GI3520@mtj.duckdns.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 15, 2016 at 12:30:14PM -0500, Tejun Heo wrote: > kernfs_walk_ns() uses a static path_buf[PATH_MAX] to separate out path > components. Keeping around the 4k buffer just for kernfs_walk_ns() is > wasteful. This patch makes it piggyback on kernfs_pr_cont_buf[] > instead. This requires kernfs_walk_ns() to hold kernfs_rename_lock. > > Signed-off-by: Tejun Heo > Reported-by: Geert Uytterhoeven > --- > Hello, > > Greg, can you please route this one? Thanks, will take this after 4.5-rc1 is out. greg k-h