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b=QEjJdJXjxc7Lur7NIFKjf55sh5sYArssTP8Vhpn9QBhF5GOPrlZ6OebMEWuma6wKx 4vRXOpyYd5xdTJDEXZiVyTiVlmF5QADj9BSFmKHsUpjIOBcvmCMi3zXT2HmJ6QCoIo ZsvGLonn4K7ZQw+EeXWsiqS37DCeoSK8DQc0UU04k9ydoLmmARyrKNHTbVOOrfnFHW X/U6wJmqd97vSowvOi9ZTLvX4SVmsb26JUNLNZQuN4WyNYQuQpm+6GGaVC+5SILhsE 7QEdy/Zdigj7BsBE1nC4KLIPM6L0Cg0zCO2HPnDbOtLZLAL82KzlKDgsYxXt6otr3h B9uJ9/xc9f0TQ== Message-ID: Date: Wed, 11 Nov 2026 11:30:09 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC v2 3/8] mm, slab: rework KMALLOC_RECLAIM handling of SLUB_TINY Content-Language: en-US To: Hao Li , Harry Yoo Cc: Christoph Lameter , David Rientjes , Roman Gushchin , Geert Uytterhoeven , Conor Dooley , Damien Le Moal , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20261024-slub_tiny_rework-v2-0-bf1419ab5ffd@kernel.org> <20261024-slub_tiny_rework-v2-3-bf1419ab5ffd@kernel.org> From: "Vlastimil Babka (SUSE)" Autocrypt: addr=vbabka@kernel.org; keydata= xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+ 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSNWbGFzdGltaWwg QmFia2EgPHZiYWJrYUBrZXJuZWwub3JnPsLBsAQTAQoAWhYhBKlA1DSZLC6OmRA9UCJPp+fM gqZkBQJqFFy6GxSAAAAAAAQADm1hbnUyLDIuNSsxLjEyLDIsMgIbAwUJGtCBUAULCQgHAwUV CgkICwUWAgMBAAIeBQIXgAAKCRAiT6fnzIKmZJIUEADFx/tREzUImHrEwVHeSvDFmA7tJysI UVrlvrM09E7GIuzphzv7jYmo8n3ANpCczLEVr4G0syYQdTigaZgv3+FQDIIzhKih1IHhu1Ei XHlywNWKnQxxQEUNi5Mwx43wQz5XVw9F1A7gtKBKNtfogO511hAbrzagrYajyQacEJ/+sfhZ 9Da8ltHIXD8pcYaHUfQgEusCgmEd9+KrUwrTbckFKmYq5chuE6yJ4J0EmWknL096jIE6CnzF FRslQ3B1UKDjxVsm1ZHfir5NeWszLkTvGFsddFaWTgh8UycESG6VQzKXjjewXu2pG7YQYRpj QKm1W5X2TkwWkXRBZTmfmbhxIUMh3+zf5wQ463rSmDN/8v81tdqBtAW6rH/kzg1GvkaTHXn0 507yEHFzBksk2viAuIxxr7km8+/KARYLIdGtx30EG8cKzAUZOK6WqxtNCsXUJNrVE8CWrCaD icoNu7Fs1c5hmPHdSTnU48ce67449DdnO4neLSNhRiGlMHJgfJUmgrxu/hcYeOZ3haWmEQ2w uW1Mh01OHi8QZHCEyAbABrPs9GUgccc/4eYXX9hIgxfSkYzn8f+8NuIFPWl/0uTvjgqU29FQ SbzOLxHq9439Ox40G5mS5eZXRGxITYR+6TXvRGI6P/264jvflnr/pDGUttaikU+0W+1uxgKH cmYbEc7ATQRbGTU1AQgAn0H6UrFiWcovkh6EXVcl+SeqyO6JHOPm+e9Wu0Vw+VIUvXZVUVVQ La1PQDUi6j00ChlcR66g9/V0sPIcSutacPKfdKYOBvzd4rlhL8rfrdEsQw5ApZxrA8kYZVMh FmBRKAa6wos25moTlMKpCWzTH84+WO5+ziCTsTUZASAToz3RdunTD+vQcHj0GqNTPAHK63sf bAB2I0BslZkXkY1RLb/YhuA6E7JyEd2pilZOrIuBGl/5q2qSakgnAVFWFBR/DO27JuAksYnq +aH8vI0xGvwn75KqSk4UzAkDzWSmO4ZHuahKtQgZNsMYV+PGayRBX9b9zbldzopoLBdqHc4n jQARAQABwsF8BBgBCgAmAhsMFiEEqUDUNJksLo6ZED1QIk+n58yCpmQFAmfIHFQFCRYU6J8A CgkQIk+n58yCpmS2PA//bqN1LfcotmArgElsa+0EGZSQlYgK48pm8WAeTXTngudP9IJ4SuKY HR5RNjHcBeqN+Me0zxRqYzRb8nGanHEkDyf4Im8DQM8d6vbyU+FcPmG4skud4kgS1zMHnlVd SXfSIwKC/hKgdHG8aBV7545Lz9X6Iohea+94wneD0aw/hqF+QWewGZhWJriWAZtvEkzNjQOi 4U9F/trLten/x7bpphDSnDMKJtITbtzATT1Dq7o7VpIUK1nCTQALMuMjKCdi8OdU/+V+R3O4 0PXWvX8qrvqYapVbZ+9KqT74FsuB0Ya9uXwgBF2Q6cRuETZk5vqaqKxzqoQZCO8AOz/58j6O 2RHNy/mZEN+7tJ5Tsq42zVJ4jxsT8b9YplavCMsnBgDeRWhcbYhCyttoL7nYISyWg4kQYZ/P wIV3OuNv2f8iKYsxNsRuClOAF82+gvqOy1/1pprFjy8uo2pkoOrb63aOP3vO5VHnRKgra6dq NcaZ+c6J4H+nEJGi2SkHAUJz5oBzuThvPudLvPA/SK8sKoM01IRxSihev/S/5WLazXB1PGem OCbvzC1IjWJJraxiDJ5IygokapUa2RP7+WBR22skQ3SSl6G107QgWKSyTOGWEaRmV53vxQLV jXuCmzSSasTL60zq5yGrT4/DYQVSNEUiUbG4pYekxJujNeEDkUlky0Y= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C424A10000B X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-Stat-Signature: t547a3nsifioj9x69kwkaz96cx5pmnow X-HE-Tag: 1794393013-187930 X-HE-Meta: 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 cX9BSqXj Gh0royN+l/pdF2pRLaDGkCdzYwN5f7qvQmjop6Kx+2pKmcfctpAl1IBXh2HCV828eneGHWfQcuPUQEiXuaA7JGexem1TcMeyeUkCi8E8AmxnLjIGb7KNLSqmmjYMkPZLtRVERvCalztYsUy5AEF2umaXRGQV8A0Hgqo9eKkhPdWZlK1N1zK5fHBW8ZVl55v2yR532WSGnOyAIbMqBMQw6AOOzDdg6DEn59kW2Whx4g7kyTiywTZpW6iLIOn0CDegBg4p9vfS13OAWK1dtJEygwFmyR37eprHvGRjRunT16z7lUsYQc+L1oRmiDA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 11/9/26 04:01, Hao Li wrote: > On Thu, Nov 05, 2026 at 03:19:01PM +0000, Harry Yoo wrote: >> >> > Given that, would it make sense to >> > change this line to something like: >> > >> > if (type >= KMALLOC_PARTITION_START && type <= KMALLOC_PARTITION_END && >> > !slab_tiny_enabled) >> >> Maybe you could send a patch as it's a separate issue from the patchset? > > Sure thing! I'll post it once vbabka's slab_tiny series lands. It would be better if the fix preceded the series actually.