Re: [PATCH v3 12/21] slab: remove the do_slab_free() fastpath

[Hao Li]

On Fri, Jan 16, 2026 at 03:40:32PM +0100, Vlastimil Babka wrote:
> We have removed cpu slab usage from allocation paths. Now remove
> do_slab_free() which was freeing objects to the cpu slab when
> the object belonged to it. Instead call __slab_free() directly,
> which was previously the fallback.
> 
> This simplifies kfree_nolock() - when freeing to percpu sheaf
> fails, we can call defer_free() directly.
> 
> Also remove functions that became unused.
> 
> Reviewed-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>
> ---
>  mm/slub.c | 149 ++++++--------------------------------------------------------
>  1 file changed, 13 insertions(+), 136 deletions(-)
> 

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

-- 
Thanks,
Hao