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Thu, 18 Jan 2024 09:49:33 +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 NX5uLS30qGVSPwAAD6G6ig (envelope-from ); Thu, 18 Jan 2024 09:49:33 +0000 Date: Thu, 18 Jan 2024 10:49:33 +0100 From: Michal Hocko To: Jeff Layton Cc: Josh Poimboeuf , Linus Torvalds , Chuck Lever , Shakeel Butt , Roman Gushchin , Johannes Weiner , linux-kernel@vger.kernel.org, Jens Axboe , Tejun Heo , Vasily Averin , Michal Koutny , Waiman Long , Muchun Song , Jiri Kosina , cgroups@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH RFC 1/4] fs/locks: Fix file lock cache accounting, again Message-ID: References: <6667b799702e1815bd4e4f7744eddbc0bd042bb7.camel@kernel.org> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6667b799702e1815bd4e4f7744eddbc0bd042bb7.camel@kernel.org> X-Spam-Level: Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.com header.s=susede1 header.b=m6WwSFX0 X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-1.70 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.com:s=susede1]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_SHORT(-0.20)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; DKIM_TRACE(0.00)[suse.com:+]; MX_GOOD(-0.01)[]; RCPT_COUNT_TWELVE(0.00)[17]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:dkim]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-0.69)[83.24%] X-Spam-Score: -1.70 X-Rspamd-Queue-Id: E50011F76E X-Spam-Flag: NO On Wed 17-01-24 14:00:55, Jeff Layton wrote: > I'm really not a fan of tunables or different kconfig options, > especially for something niche like this. I completely agree with that. We do have plethora of kernel objects which are accounted and we really do not want to have a kernel cmd line option for many/each of them. Kernel memory accounting can be disabled through kernel cmd line already. -- Michal Hocko SUSE Labs