From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hugh Dickins Subject: Re: [PATCH] cgroup: use an ordered workqueue for cgroup destruction Date: Fri, 7 Feb 2014 13:06:00 -0800 (PST) Message-ID: References: <20140207140402.GA3304@htj.dyndns.org> <20140207203508.GC8833@htj.dyndns.org> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=date:from:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version:content-type; bh=YQpIxzpp1uVNs8bsMXnF9qCMvYtnPmO2XMBOQhs8K24=; b=RwFSX4hyoTkc8rZICtA9H6Yk91XsSS421tky4iSz8DP8jjJP4pW6dvSSAEbbKrZqxJ o6zCyNp3KeVrpmRFBHCKggkEXTzleDweseaffWmLVO3vHPPtnFk9sJndqlTKh2NUWZu5 lgTQeDDeKlRXAO4OlcZmTcsVyiyS0PQNVK7eHNYc5mRssJUfen6fpogxdX8blZBg9aXp GJcccyHIXrWYT6NmTt5YZDZzoyMrcf/d7s9qgk85enIE7NRYDc3m0t1jX+tXZQdJkQq/ //Qp6enV43vFMqY/Olt9kznIpsgvekwf7VT9IMIBegEdu68lN8XQ7lq/5qgTfHeeExn3 6vBQ== In-Reply-To: <20140207203508.GC8833@htj.dyndns.org> Sender: owner-linux-mm@kvack.org List-ID: Content-Type: TEXT/PLAIN; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tejun Heo Cc: Hugh Dickins , Filipe Brandenburger , Li Zefan , Andrew Morton , Michal Hocko , Johannes Weiner , Greg Thelen , Michel Lespinasse , Markus Blank-Burian , Shawn Bohrer , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On Fri, 7 Feb 2014, Tejun Heo wrote: > On Fri, Feb 07, 2014 at 12:20:44PM -0800, Hugh Dickins wrote: > > > You don't return to this concern in the following mails of the thread: > > did you later decide that it actually won't be a problem? I'll assume > > so for the moment, since you took the patch, but please reassure me. > > I was just worrying about a different solution where we take > css_offline invocation outside of cgroup_mutex and bumping up > max_active. There's nothing to worry about your patch. Sorry about > not being clear. :) Thanks a lot for your detailed and admirably responsive explanations. You were looking ahead, I see that now, and I'm gratefully reassured :) Hugh -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753091AbaBGVGt (ORCPT ); Fri, 7 Feb 2014 16:06:49 -0500 Received: from mail-pa0-f48.google.com ([209.85.220.48]:55915 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751529AbaBGVGr (ORCPT ); Fri, 7 Feb 2014 16:06:47 -0500 Date: Fri, 7 Feb 2014 13:06:00 -0800 (PST) From: Hugh Dickins X-X-Sender: hugh@eggly.anvils To: Tejun Heo cc: Hugh Dickins , Filipe Brandenburger , Li Zefan , Andrew Morton , Michal Hocko , Johannes Weiner , Greg Thelen , Michel Lespinasse , Markus Blank-Burian , Shawn Bohrer , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] cgroup: use an ordered workqueue for cgroup destruction In-Reply-To: <20140207203508.GC8833@htj.dyndns.org> Message-ID: References: <20140207140402.GA3304@htj.dyndns.org> <20140207203508.GC8833@htj.dyndns.org> User-Agent: Alpine 2.11 (LSU 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 7 Feb 2014, Tejun Heo wrote: > On Fri, Feb 07, 2014 at 12:20:44PM -0800, Hugh Dickins wrote: > > > You don't return to this concern in the following mails of the thread: > > did you later decide that it actually won't be a problem? I'll assume > > so for the moment, since you took the patch, but please reassure me. > > I was just worrying about a different solution where we take > css_offline invocation outside of cgroup_mutex and bumping up > max_active. There's nothing to worry about your patch. Sorry about > not being clear. :) Thanks a lot for your detailed and admirably responsive explanations. You were looking ahead, I see that now, and I'm gratefully reassured :) Hugh