Re: [PATCH -next v2 08/11] rcu: Simplify param_set_next_fqs_jiffies() by applying clamp_val()

From: Frederic Weisbecker

Date: Wed May 20 2026 - 08:31:43 EST


Le Tue, May 19, 2026 at 09:45:21PM +0200, Uladzislau Rezki (Sony) a écrit :
> From: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
>
> This commit replaces a nested ?: sequence with clamp_val(). This does
> not reduce the number of lines of code, but it does simplify the line
> that it modifies.
>
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>

Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>


> ---
> kernel/rcu/tree.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
> index e46a5124c3eb..09f0cef5014c 100644
> --- a/kernel/rcu/tree.c
> +++ b/kernel/rcu/tree.c
> @@ -492,7 +492,7 @@ static int param_set_next_fqs_jiffies(const char *val, const struct kernel_param
> int ret = kstrtoul(val, 0, &j);
>
> if (!ret) {
> - WRITE_ONCE(*(ulong *)kp->arg, (j > HZ) ? HZ : (j ?: 1));
> + WRITE_ONCE(*(ulong *)kp->arg, clamp_val(j, 1, HZ));
> adjust_jiffies_till_sched_qs();
> }
> return ret;
> --
> 2.47.3
>
>

--
Frederic Weisbecker
SUSE Labs