Re: incoming

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On 9/8/21 04:52, Andrew Morton wrote:
> Subsystem: mm/slub
> 
>     Vlastimil Babka <vbabka@xxxxxxx>:
>     Patch series "SLUB: reduce irq disabled scope and make it RT compatible", v6:
>       mm, slub: don't call flush_all() from slab_debug_trace_open()
>       mm, slub: allocate private object map for debugfs listings
>       mm, slub: allocate private object map for validate_slab_cache()
>       mm, slub: don't disable irq for debug_check_no_locks_freed()
>       mm, slub: remove redundant unfreeze_partials() from put_cpu_partial()
>       mm, slub: extract get_partial() from new_slab_objects()
>       mm, slub: dissolve new_slab_objects() into ___slab_alloc()
>       mm, slub: return slab page from get_partial() and set c->page afterwards
>       mm, slub: restructure new page checks in ___slab_alloc()
>       mm, slub: simplify kmem_cache_cpu and tid setup
>       mm, slub: move disabling/enabling irqs to ___slab_alloc()
>       mm, slub: do initial checks in ___slab_alloc() with irqs enabled
>       mm, slub: move disabling irqs closer to get_partial() in ___slab_alloc()
>       mm, slub: restore irqs around calling new_slab()
>       mm, slub: validate slab from partial list or page allocator before making it cpu slab
>       mm, slub: check new pages with restored irqs
>       mm, slub: stop disabling irqs around get_partial()
>       mm, slub: move reset of c->page and freelist out of deactivate_slab()
>       mm, slub: make locking in deactivate_slab() irq-safe
>       mm, slub: call deactivate_slab() without disabling irqs
>       mm, slub: move irq control into unfreeze_partials()
>       mm, slub: discard slabs in unfreeze_partials() without irqs disabled
>       mm, slub: detach whole partial list at once in unfreeze_partials()
>       mm, slub: separate detaching of partial list in unfreeze_partials() from unfreezing
>       mm, slub: only disable irq with spin_lock in __unfreeze_partials()
>       mm, slub: don't disable irqs in slub_cpu_dead()
>       mm, slab: split out the cpu offline variant of flush_slab()
> 
>     Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>:
>       mm: slub: move flush_cpu_slab() invocations __free_slab() invocations out of IRQ context
>       mm: slub: make object_map_lock a raw_spinlock_t
> 
>     Vlastimil Babka <vbabka@xxxxxxx>:
>       mm, slub: make slab_lock() disable irqs with PREEMPT_RT
>       mm, slub: protect put_cpu_partial() with disabled irqs instead of cmpxchg
>       mm, slub: use migrate_disable() on PREEMPT_RT
>       mm, slub: convert kmem_cpu_slab protection to local_lock

For my own piece of mind, I've checked that this part (patches 1 to 33)
are identical to the v6 posting [1] and git version [2] that Mel and
Mike tested (replies to [1]).

[1] https://lore.kernel.org/all/20210904105003.11688-1-vbabka@xxxxxxx/
[2] git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git
tags/mm-slub-5.15-rc1




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