linux-kernel - Re: [Patch 2/2]: powerpc/hotplug/mm: Fix hot-add memory node assoc

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Message-Id: <20170523155251.bqwc5mc4jpgzkqlm@arbab-laptop.localdomain>
Date:   Tue, 23 May 2017 10:52:51 -0500
From:   Reza Arbab <arbab@...ux.vnet.ibm.com>
To:     Michael Bringmann <mwb@...ux.vnet.ibm.com>,
        Balbir Singh <bsingharora@...il.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Thomas Gleixner <tglx@...utronix.de>,
        Bharata B Rao <bharata@...ux.vnet.ib>,
        Shailendra Singh <shailendras@...dia.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: [Patch 2/2]: powerpc/hotplug/mm: Fix hot-add memory node assoc

On Tue, May 23, 2017 at 10:15:44AM -0500, Michael Bringmann wrote:
>+static void setup_nodes(void)
>+{
>+	int i, l = 32 /* MAX_NUMNODES */;
>+
>+	for (i = 0; i < l; i++) {
>+		if (!node_possible(i)) {
>+			setup_node_data(i, 0, 0);
>+			node_set(i, node_possible_map);
>+		}
>+	}
>+}

This seems to be a workaround for 3af229f2071f ("powerpc/numa: Reset 
node_possible_map to only node_online_map").

Balbir, you have a patchset which reverts it. Do you think that will be 
getting merged?

http://lkml.kernel.org/r/1479253501-26261-1-git-send-email-bsingharora@gmail.com
(see patch 3/3)

-- 
Reza Arbab