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Message-ID: <YfueNDJJJIm/1MAy@dhcp22.suse.cz>
Date: Thu, 3 Feb 2022 10:19:48 +0100
From: Michal Hocko <mhocko@...e.com>
To: David Hildenbrand <david@...hat.com>,
Mike Rapoport <rppt@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: Wei Yang <richard.weiyang@...il.com>, linux-mm@...ck.org,
LKML <linux-kernel@...r.kernel.org>,
Alexey Makhalov <amakhalov@...are.com>,
Dennis Zhou <dennis@...nel.org>,
Eric Dumazet <eric.dumazet@...il.com>,
Oscar Salvador <osalvador@...e.de>, Tejun Heo <tj@...nel.org>,
Christoph Lameter <cl@...ux.com>,
Nico Pache <npache@...hat.com>,
Rafael Aquini <raquini@...hat.com>
Subject: Re: [PATCH 2/6] mm: handle uninitialized numa nodes gracefully
So we will go with the following.
/*
* We do not want to confuse userspace by sysfs files/directories for node
* without any memory attached to it, so this node is not marked as
* N_MEMORY and not marked online so that no sysfs hierarchy will be
* created via register_one_node for this node. The pgdat will get fully
* initialized by hotadd_init_pgdat() when memory is hotpluged into this
* node
*/
OK?
--
Michal Hocko
SUSE Labs
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