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Fri, 15 Mar 2024 15:55:56 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-Spam-Score: -2.25 X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Flag: NO X-Spamd-Result: default: False [-2.25 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; XM_UA_NO_VERSION(0.01)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.00)[-1.000]; BAYES_HAM(-0.75)[84.03%]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.de:+]; MX_GOOD(-0.01)[]; RCPT_COUNT_SEVEN(0.00)[8]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; NEURAL_HAM_SHORT(-0.20)[-1.000]; FREEMAIL_CC(0.00)[linux-foundation.org,vger.kernel.org,kvack.org,suse.com,google.com,gmail.com]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from] X-Spam-Level: Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=Jj73kno8; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=7nvDSjZd X-Rspamd-Queue-Id: AA84121D9E 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