[PATCH v8 18/23] maple_tree: Use kfree_rcu in ma_free_rcu

Suren Baghdasaryan surenb at google.com
Fri Sep 26 17:05:19 PDT 2025


On Wed, Sep 17, 2025 at 4:46 AM Harry Yoo <harry.yoo at oracle.com> wrote:
>
> On Wed, Sep 10, 2025 at 10:01:20AM +0200, Vlastimil Babka wrote:
> > From: Pedro Falcato <pfalcato at suse.de>
> >
> > kfree_rcu is an optimized version of call_rcu + kfree. It used to not be
> > possible to call it on non-kmalloc objects, but this restriction was
> > lifted ever since SLOB was dropped from the kernel, and since commit
> > 6c6c47b063b5 ("mm, slab: call kvfree_rcu_barrier() from kmem_cache_destroy()").
> >
> > Thus, replace call_rcu + mt_free_rcu with kfree_rcu.
> >
> > Signed-off-by: Pedro Falcato <pfalcato at suse.de>
> > Signed-off-by: Vlastimil Babka <vbabka at suse.cz>
> > ---
>
> Looks good to me,
> Reviewed-by: Harry Yoo <harry.yoo at oracle.com>

Reviewed-by: Suren Baghdasaryan <surenb at google.com>

>
> --
> Cheers,
> Harry / Hyeonggon



More information about the maple-tree mailing list