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Merge tag 'slab-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
- Move the TINY_RCU kvfree_rcu() implementation from RCU to SLAB
subsystem and cleanup its integration (Vlastimil Babka)
Following the move of the TREE_RCU batching kvfree_rcu()
implementation in 6.14, move also the simpler TINY_RCU variant.
Refactor the #ifdef guards so that the simple implementation is also
used with SLUB_TINY.
Remove the need for RCU to recognize fake callback function pointers
(__is_kvfree_rcu_offset()) when handling call_rcu() by implementing a
callback that calculates the object's address from the embedded
rcu_head address without knowing its offset.
- Improve kmalloc cache randomization in kvmalloc (GONG Ruiqi)
Due to an extra layer of function call, all kvmalloc() allocations
used the same set of random caches. Thanks to moving the kvmalloc()
implementation to slub.c, this is improved and randomization now
works for kvmalloc.
- Various improvements to debugging, testing and other cleanups (Hyesoo
Yu, Lilith Gkini, Uladzislau Rezki, Matthew Wilcox, Kevin Brodsky, Ye
Bin)
* tag 'slab-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
slub: Handle freelist cycle in on_freelist()
mm/slab: call kmalloc_noprof() unconditionally in kmalloc_array_noprof()
slab: Mark large folios for debugging purposes
kunit, slub: Add test_kfree_rcu_wq_destroy use case
mm, slab: cleanup slab_bug() parameters
mm: slub: call WARN() when detecting a slab corruption
mm: slub: Print the broken data before restoring them
slab: Achieve better kmalloc caches randomization in kvmalloc
slab: Adjust placement of __kvmalloc_node_noprof
mm/slab: simplify SLAB_* flag handling
slab: don't batch kvfree_rcu() with SLUB_TINY
rcu, slab: use a regular callback function for kvfree_rcu
rcu: remove trace_rcu_kvfree_callback
slab, rcu: move TINY_RCU variant of kvfree_rcu() to SLAB
05b00ffd7a