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Fri, 15 Mar 2024 15:55:56 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 8EJgJ4xv9GUfXAAAD6G6ig (envelope-from ); Fri, 15 Mar 2024 15:55:56 +0000 MIME-Version: 1.0 Date: Fri, 15 Mar 2024 16:55:56 +0100 From: Oscar Salvador To: Vlastimil Babka Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Michal Hocko , Marco Elver , Andrey Konovalov , Alexander Potapenko Subject: Re: [PATCH] mm,page_owner: Fix refcount imbalance In-Reply-To: <7ea61161-4eee-47b2-9540-00805d906f50@suse.cz> References: <20240314144753.16276-1-osalvador@suse.de> <7ea61161-4eee-47b2-9540-00805d906f50@suse.cz> User-Agent: Roundcube Webmail Message-ID: X-Sender: osalvador@suse.de Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 718C314000A X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: xd3h1qnwbd1cpchgc3mt4urhskgwwea9 X-HE-Tag: 1710518158-971811 X-HE-Meta: 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 SEljI1YD dajCxMJBXVeOTEsVwCTrZp6PFwnF2eK3O+Jee 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: List-Subscribe: List-Unsubscribe: On 2024-03-15 14:21, Vlastimil Babka wrote: > The stackdepot guys probably won't be thrilled about this addition to > stack_record. Can't we instead make the refcount itself reflect the > number > of base pages? Yes, we can. I already have a patch doing that, much simpler and much shorter. I will send it out later today. Thanks! -- Oscar Salvador SUSE Labs