Merge tag 'slab-for-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mm/slabHEADmaster

Pull slab updates from Harry Yoo:

 - 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)

 - Restore memcg accounting of ipc msg_msg allocations, lost with e.g.
   CONFIG_SLAB_BUCKETS=n where the allocations fall back to the general
   kmalloc caches (Kees Cook)

 - 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)

 - Remove slab_folio(), the last use of struct folio in slab code
   (Matthew Wilcox)

 - 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)

 - Various minor fixes and cleanups (Hao Li, Karl Mehltretter, Kees
   Cook, Longlong Xia)

* tag 'slab-for-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mm/slab:
  mm/slub: initialize the free pointer of the bootstrap kmem_cache_node
  mm/slab: sample slab_state once in kmem_cache_destroy()
  ipc, msg: Account msg_msg allocations with GFP_KERNEL_ACCOUNT again
  mm/slab: Mark the kmem_buckets_create() context as a Context: section
  slab: Remove slab_folio()
  mm/slub: refill prefilled sheaves from the barn
  mm/slub: make the case handling in __slab_free() easier to follow
  mm/slub: unify slub stat definitions to simplify metric additions
  mm/slab_common: reject zero object_size before calculate_alignment
  mm/slab: reject unsupported kmalloc() sizes

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