On Sun, Oct 13, 2024 at 10:16:58PM +0200, Julia Lawall wrote:
> Since SLOB was removed and since
> commit 6c6c47b063b5 ("mm, slab: call kvfree_rcu_barrier() from kmem_cache_destroy()"),
> it is not necessary to use call_rcu when the callback only performs
> kmem_cache_free. Use kfree_rcu() directly.
>
> The changes were made using Coccinelle.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx>
>
> ---
> kernel/time/posix-timers.c | 9 +--------
> 1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
> index 4576aaed13b2..fc40dacabe78 100644
> --- a/kernel/time/posix-timers.c
> +++ b/kernel/time/posix-timers.c
> @@ -413,18 +413,11 @@ static struct k_itimer * alloc_posix_timer(void)
> return tmr;
> }
>
> -static void k_itimer_rcu_free(struct rcu_head *head)
> -{
> - struct k_itimer *tmr = container_of(head, struct k_itimer, rcu);
> -
> - kmem_cache_free(posix_timers_cache, tmr);
> -}
> -
> static void posix_timer_free(struct k_itimer *tmr)
> {
> put_pid(tmr->it_pid);
> sigqueue_free(tmr->sigq);
> - call_rcu(&tmr->rcu, k_itimer_rcu_free);
> + kfree_rcu(tmr, rcu);
> }
>
> static void posix_timer_unhash_and_free(struct k_itimer *tmr)
>
>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
--
Uladzislau Rezki
