From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756518AbeDZNxN (ORCPT ); Thu, 26 Apr 2018 09:53:13 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:52016 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756321AbeDZNw6 (ORCPT ); Thu, 26 Apr 2018 09:52:58 -0400 Date: Thu, 26 Apr 2018 15:52:51 +0200 From: Oleg Nesterov To: Michal Hocko Cc: Kirill Tkhai , akpm@linux-foundation.org, peterz@infradead.org, viro@zeniv.linux.org.uk, mingo@kernel.org, paulmck@linux.vnet.ibm.com, keescook@chromium.org, riel@redhat.com, tglx@linutronix.de, kirill.shutemov@linux.intel.com, marcos.souza.org@gmail.com, hoeun.ryu@gmail.com, pasha.tatashin@oracle.com, gs051095@gmail.com, ebiederm@xmission.com, dhowells@redhat.com, rppt@linux.vnet.ibm.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/4] exit: Make unlikely case in mm_update_next_owner() more scalable Message-ID: <20180426135250.GA14269@redhat.com> References: <152473763015.29458.1131542311542381803.stgit@localhost.localdomain> <20180426130700.GP17484@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180426130700.GP17484@dhcp22.suse.cz> 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 04/26, Michal Hocko wrote: > > then I suspect that we should be better off reconsidering > mm->owner and try to come up with something more clever. I've had a > patch to remove owner few years back. Yeees, I do remember we discussed this but I forgot everything. I agree, it would nice to turn mm->owner into mm->mem_cgroup and just kill the ugly mm_update_next_owner/etc. Oleg.