From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP Date: Thu, 7 Apr 2016 08:40:36 +0200 Message-ID: <20160407064036.GG3430@twins.programming.kicks-ass.net> References: <1457710888-31182-1-git-send-email-tj@kernel.org> <20160315172136.GA6114@dhcp22.suse.cz> <20160406215307.GJ24661@htj.duckdns.org> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20160406215307.GJ24661-piEFEHQLUPpN0TnZuCh8vA@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tejun Heo Cc: Michal Hocko , torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-team-b10kYP2dOMg@public.gmane.org On Wed, Apr 06, 2016 at 05:53:07PM -0400, Tejun Heo wrote: > Can you list applications which make use of CLONE_VM without > CLONE_THREAD? I ran into one two years ago or so; I forgot what it was, but it made perf misbehave because we too had assumed this not to happen. Eventually it turned out a newer version of that software did no longer do this and we more or less left it at that. But it does show that crap is out there..