On Sun, Oct 13, 2024 at 10:17:01PM +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>
>
> ---
> net/kcm/kcmsock.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
> index d4118c796290..24aec295a51c 100644
> --- a/net/kcm/kcmsock.c
> +++ b/net/kcm/kcmsock.c
> @@ -1584,14 +1584,6 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
> return err;
> }
>
> -static void free_mux(struct rcu_head *rcu)
> -{
> - struct kcm_mux *mux = container_of(rcu,
> - struct kcm_mux, rcu);
> -
> - kmem_cache_free(kcm_muxp, mux);
> -}
> -
> static void release_mux(struct kcm_mux *mux)
> {
> struct kcm_net *knet = mux->knet;
> @@ -1619,7 +1611,7 @@ static void release_mux(struct kcm_mux *mux)
> knet->count--;
> mutex_unlock(&knet->mutex);
>
> - call_rcu(&mux->rcu, free_mux);
> + kfree_rcu(mux, rcu);
> }
>
> static void kcm_done(struct kcm_sock *kcm)
>
>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
--
Uladzislau Rezki
