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boundary="------------bJb65ceDpZ0FggE6pTGtP9S7"; protected-headers="v1"; hp="clear" Message-ID: Date: Thu, 22 Oct 2026 15:37:19 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [GIT PULL] slab updates for 7.4 Content-Language: en-US To: Harry Yoo , Linus Torvalds Cc: Andrew Morton , Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , linux-mm@kvack.org, LKML , Imre Kaloz , Karl Mehltretter , Kees Cook , Longlong Xia , Matthew Wilcox , Zi Yan References: 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: --------------bJb65ceDpZ0FggE6pTGtP9S7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 10/22/26 15:10, Harry Yoo wrote: > Hi Linus, >=20 > please pull the latest slab updates from: >=20 > git://git.kernel.org/pub/scm/linux/kernel/git/mm/slab.git tags/slab-f= or-7.4 >=20 > There are no known conflicts with other trees. Thanks, Harry! I felt I should endorse this as it's the first time Harry sends the PR as= the co-maintainer and not myself. I looked into cross-signing the tag but seems like git doesn't support th= at. Vlastimil > Thanks, > Harry >=20 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >=20 > - Performance improvement of the sheaf prefill API, by allowing the > barn to hold a partial sheaf and refilling sheaves from the barn. > This improves will-it-scale mmap1 throughput by 24% on the > maple_node cache. (Hao Li) >=20 > - Restore memcg accounting of ipc msg_msg allocations, lost with > e.g. CONFIG_SLAB_BUCKETS=3Dn where the allocations fall back to the > general kmalloc caches. (Kees Cook) >=20 > - Fix an old race between kmem_cache_destroy() and slab_late_init(), > where a cache destroyed late in the boot process tries to release a > kobject that was never initialized. (Imre Kaloz) >=20 > - Remove slab_folio(), the last use of struct folio in slab code. > (Matthew Wilcox) >=20 > - Reject kmalloc() requests above KMALLOC_MAX_SIZE explicitly with a > warning and NULL return instead of relying on the page allocator's > order check. (Zi Yan) >=20 > - Various minor fixes and cleanups. (Hao Li, Karl Mehltretter, > Kees Cook, Longlong Xia) >=20 > ---------------------------------------------------------------- > The following changes since commit cee9395acd8043be0644b25c34bfa86623f2= b935: >=20 > Linux 7.3-rc1 (2026-08-30 13:34:40 -0700) >=20 > are available in the Git repository at: >=20 > git://git.kernel.org/pub/scm/linux/kernel/git/mm/slab.git tags/slab-f= or-7.4 >=20 > for you to fetch changes up to d15d7703166daf7bd62c844a3cb1b3a6279adb4c= : >=20 > mm/slub: initialize the free pointer of the bootstrap kmem_cache_node= (2026-10-19 11:57:03 +0100) >=20 > ---------------------------------------------------------------- > slab changes for 7.4 >=20 > ---------------------------------------------------------------- > Hao Li (3): > mm/slub: unify slub stat definitions to simplify metric additions= > mm/slub: make the case handling in __slab_free() easier to follow= > mm/slub: refill prefilled sheaves from the barn >=20 > Imre Kaloz (1): > mm/slab: sample slab_state once in kmem_cache_destroy() >=20 > Karl Mehltretter (1): > mm/slub: initialize the free pointer of the bootstrap kmem_cache_= node >=20 > Kees Cook (2): > mm/slab: Mark the kmem_buckets_create() context as a Context: sec= tion > ipc, msg: Account msg_msg allocations with GFP_KERNEL_ACCOUNT aga= in >=20 > Longlong Xia (1): > mm/slab_common: reject zero object_size before calculate_alignmen= t >=20 > Matthew Wilcox (Oracle) (1): > slab: Remove slab_folio() >=20 > Zi Yan (1): > mm/slab: reject unsupported kmalloc() sizes >=20 > ipc/msgutil.c | 3 +- > mm/slab.h | 28 ++--- > mm/slab_common.c | 23 ++-- > mm/slub.c | 329 ++++++++++++++++++++++++++++++++++-------------= -------- > 4 files changed, 228 insertions(+), 155 deletions(-) >=20 --------------bJb65ceDpZ0FggE6pTGtP9S7-- --------------0YX70DoARKhiZ4Z2hKZFVJXw Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- iQFPBAEBCAA5FiEEe7vIQRWZI0iWSE3xu+CwddJFiJoFAmraEY8bFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyAAoJELvgsHXSRYiaDDsH/i6U1bY9jE9pHQjiN6dd 8fvSRXFAkDSP8hGJD/04Oyt0faYYACYh78xU0XRSVYSp6+oWLCEv6jpKESGgEbXK Q9Sp1IQAz3WyEhmbZ/fjaL2Bj+4unwyftAhL8yg3ZR88mhqKvdvSNRP90vGQGzM3 w1oWfEGQf1Ibwn08J/s2n1rOs5TzXDH7Owcjv8zCphfXsLtWToNYO78Rw34ZSEM9 TmNkpO0kxV63HcbBmBBqnlg90EOZ5JkMpVOYRH9k2/v3qlx7hVGUnNjqDbVKcGpy 9qceOorDJe3sROITTlGkamlkplmHOT2IlT1rntRWCCsglIGUhh8v9KAB8T/ib4RE k3Y= =ynRm -----END PGP SIGNATURE----- --------------0YX70DoARKhiZ4Z2hKZFVJXw--