From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 5147F6B0038 for ; Tue, 31 Jan 2017 20:05:36 -0500 (EST) Received: by mail-pf0-f199.google.com with SMTP id f144so541227412pfa.3 for ; Tue, 31 Jan 2017 17:05:36 -0800 (PST) Received: from ozlabs.org (ozlabs.org. [103.22.144.67]) by mx.google.com with ESMTPS id h7si17579650plk.119.2017.01.31.17.05.34 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 31 Jan 2017 17:05:35 -0800 (PST) In-Reply-To: <1479314703-18989-1-git-send-email-arbab@linux.vnet.ibm.com> From: Michael Ellerman Subject: Re: powerpc/mm: allow memory hotplug into an offline node Message-Id: <3vClL33fB1z9t9b@ozlabs.org> Date: Wed, 1 Feb 2017 12:05:31 +1100 (AEDT) Sender: owner-linux-mm@kvack.org List-ID: To: Reza Arbab , Benjamin Herrenschmidt , Paul Mackerras , Andrew Morton Cc: linux-mm@kvack.org, John Allen , linuxppc-dev@lists.ozlabs.org, Nathan Fontenot On Wed, 2016-11-16 at 16:45:03 UTC, Reza Arbab wrote: > Relax the check preventing us from hotplugging into an offline node. > > This limitation was added in commit 482ec7c403d2 ("[PATCH] powerpc numa: > Support sparse online node map") to prevent adding resources to an > uninitialized node. > > These days, there is no harm in doing so. The addition will actually > cause the node to be initialized and onlined; add_memory_resource() > calls hotadd_new_pgdat() (if necessary) and node_set_online(). > > Cc: Balbir Singh > Cc: Nathan Fontenot > Cc: John Allen > Signed-off-by: Reza Arbab Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/2a8628d41602dc9f988af051a657ee cheers -- 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