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Tue, 01 Jun 2021 08:12:56 +0000 Date: Tue, 1 Jun 2021 10:12:54 +0200 From: Oscar Salvador To: David Hildenbrand Cc: Anshuman Khandual , Andrew Morton , Michal Hocko , Vlastimil Babka , Pavel Tatashin , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm,memory_hotplug: Drop unneeded locking Message-ID: <20210601081250.GA32364@linux> References: <20210531093958.15021-1-osalvador@suse.de> <679d311a-8ad4-bb53-18f0-11190a2bf1b5@arm.com> <20210601074737.GA30768@linux> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Spamd-Result: default: False [-0.50 / 100.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_SEVEN(0.00)[8]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Queue-Id: 34661A000270 Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=rwIHbLcC; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=+Qc0cDBO; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=rwIHbLcC; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=+Qc0cDBO; dmarc=none; spf=pass (imf15.hostedemail.com: domain of osalvador@suse.de designates 195.135.220.29 as permitted sender) smtp.mailfrom=osalvador@suse.de X-Rspamd-Server: rspam03 X-Stat-Signature: i4jbuxo5iwyrtoabiq6f1wwp94d7k1tr X-HE-Tag: 1622535171-42046 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 Tue, Jun 01, 2021 at 10:02:54AM +0200, David Hildenbrand wrote: > If there is no writer anymore, why do we have to protect readers? Yeah, you are right. Let me prepare a v2 as this is getting too sloppy. -- Oscar Salvador SUSE L3