Messages in this thread | | | Date | Fri, 28 Jan 2022 07:29:05 +0100 | From | Oscar Salvador <> | Subject | Re: [PATCH 3/6] mm, memory_hotplug: drop arch_free_nodedata |
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On 2022-01-27 09:53, Michal Hocko wrote: > From: Michal Hocko <mhocko@suse.com> > > Prior to "mm: handle uninitialized numa nodes gracefully" memory > hotplug > used to allocate pgdat when memory has been added to a node > (hotadd_init_pgdat) arch_free_nodedata has been only used in the > failure path because once the pgdat is exported (to be visible > by NODA_DATA(nid)) it cannot really be freed because there is no > synchronization available for that. > > pgdat is allocated for each possible nodes now so the memory hotplug > doesn't need to do the ever use arch_free_nodedata so drop it. > > This patch doesn't introduce any functional change. > > Acked-by: Rafael Aquini <raquini@redhat.com> > Signed-off-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
-- Oscar Salvador SUSE Labs
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