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Thu, 7 Dec 2023 18:57:41 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap2.dmz-prg2.suse.org with ESMTPSA id OahgIKUVcmWGeAAAn2gu4w (envelope-from ); Thu, 07 Dec 2023 18:57:41 +0000 Date: Thu, 7 Dec 2023 19:57:40 +0100 From: Michal =?utf-8?Q?Koutn=C3=BD?= To: Johannes Weiner Cc: Michal Hocko , Dan Schatzberg , Roman Gushchin , Yosry Ahmed , Huan Yang , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, Shakeel Butt , Muchun Song , Andrew Morton , David Hildenbrand , Matthew Wilcox , Huang Ying , Kefeng Wang , Peter Xu , "Vishal Moola (Oracle)" , Yue Zhao , Hugh Dickins Subject: Re: [PATCH 0/1] Add swappiness argument to memory.reclaim Message-ID: <2wknjgwapqcwienztskcmra7ez6f3gd3tf3v5kr3eifc3oefca@i7iohdywggls> References: <20231130153658.527556-1-schatzberg.dan@gmail.com> <20231130165642.GA386439@cmpxchg.org> <20231201170955.GA694615@cmpxchg.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; 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charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 01, 2023 at 12:09:55PM -0500, Johannes Weiner wrote: > Well I'm the person who wrote the initial cgroup2 memory interface, > and I left it out because there was no clear usecase for why you'd > want to tweak it on a per-container basis. There is also the issue of the default value and its relation to the global vm.swappiness. Which disappeared with v2. The "stateless" passing of per-reclaim swappiness looks cleaner in this way. 0.02=E2=82=AC, Michal --mnaliqucreqrrc5q Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQpEWyjXuwGT2dDBqAGvrMr/1gcjgUCZXIVogAKCRAGvrMr/1gc jlf1AP0dzSbUAofDvmRUC31Er7u/1nBrohiLQNnNK4hUBdZvvAD+P2KPRr389H0z c4GMGid6/YqCc8MJT1uJMTgiWP7sjwQ= =LzXI -----END PGP SIGNATURE----- --mnaliqucreqrrc5q--