Re: [PATCH v3 16/21] slab: remove unused PREEMPT_RT specific macros

[Hao Li]

On Fri, Jan 16, 2026 at 03:40:36PM +0100, Vlastimil Babka wrote:
> The macros slub_get_cpu_ptr()/slub_put_cpu_ptr() are now unused, remove
> them. USE_LOCKLESS_FAST_PATH() has lost its true meaning with the code
> being removed. The only remaining usage is in fact testing whether we
> can assert irqs disabled, because spin_lock_irqsave() only does that on
> !RT. Test for CONFIG_PREEMPT_RT instead.
> 
> Reviewed-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>
> ---
>  mm/slub.c | 24 +-----------------------
>  1 file changed, 1 insertion(+), 23 deletions(-)
> 

Looks good to me.
Reviewed-by: Hao Li <hao.li@xxxxxxxxx>

-- 
Thanks,
Hao