From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f170.google.com (mail-lb0-f170.google.com [209.85.217.170]) by kanga.kvack.org (Postfix) with ESMTP id 1A8BB6B0254 for ; Wed, 2 Mar 2016 21:08:48 -0500 (EST) Received: by mail-lb0-f170.google.com with SMTP id k15so6742567lbg.0 for ; Wed, 02 Mar 2016 18:08:48 -0800 (PST) Received: from mail-lb0-x22e.google.com (mail-lb0-x22e.google.com. [2a00:1450:4010:c04::22e]) by mx.google.com with ESMTPS id og3si17476836lbb.62.2016.03.02.18.08.46 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Mar 2016 18:08:46 -0800 (PST) Received: by mail-lb0-x22e.google.com with SMTP id k15so6742251lbg.0 for ; Wed, 02 Mar 2016 18:08:46 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <1456969327-20011-1-git-send-email-zhugh.fnst@cn.fujitsu.com> References: <1456969327-20011-1-git-send-email-zhugh.fnst@cn.fujitsu.com> Date: Thu, 3 Mar 2016 03:08:46 +0100 Message-ID: Subject: Re: [RESEND PATCH v5 0/5] Make cpuid <-> nodeid mapping persistent From: "Rafael J. Wysocki" Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Zhu Guihua Cc: cl@linux.com, Tejun Heo , mika.j.penttila@gmail.com, Ingo Molnar , Andrew Morton , "Rafael J. Wysocki" , "H. Peter Anvin" , yasu.isimatu@gmail.com, isimatu.yasuaki@jp.fujitsu.com, kamezawa.hiroyu@jp.fujitsu.com, izumi.taku@jp.fujitsu.com, gongzhaogang@inspur.com, Len Brown , Len Brown , Thomas Gleixner , chen.tang@easystack.cn, x86@kernel.org, ACPI Devel Maling List , Linux Kernel Mailing List , Linux Memory Management List Hi, On Thu, Mar 3, 2016 at 2:42 AM, Zhu Guihua wrote: > [Problem] > > cpuid <-> nodeid mapping is firstly established at boot time. And workqueue caches > the mapping in wq_numa_possible_cpumask in wq_numa_init() at boot time. > > When doing node online/offline, cpuid <-> nodeid mapping is established/destroyed, > which means, cpuid <-> nodeid mapping will change if node hotplug happens. But > workqueue does not update wq_numa_possible_cpumask. > Are there any changes in this version relative to the previous one? Thanks, Rafael -- 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