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charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 6FFDE160002 X-Rspam-User: nil Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=jOIkTwXv; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=fRLo7kpU; dmarc=pass (policy=none) header.from=suse.de; spf=pass (imf08.hostedemail.com: domain of osalvador@suse.de designates 195.135.220.28 as permitted sender) smtp.mailfrom=osalvador@suse.de X-Stat-Signature: gfeybc3pexn9jyccn9ui3w9uipo84fna X-HE-Tag: 1643351346-185445 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2022-01-27 09:53, Michal Hocko wrote: > From: Michal Hocko > > 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 > Signed-off-by: Michal Hocko Reviewed-by: Oscar Salvador -- Oscar Salvador SUSE Labs