sched: deadline: Cleanup goto label in pick_earliest_pushable_dl_task

Commit 8b5e770ed7c0 ("sched/deadline: Optimize pull_dl_task()")
added a goto label seems would be better written as a while
loop.

So replace the goto with a while loop, to make it easier to read.

Reported-by: Todd Kjos <tkjos@google.com>
Signed-off-by: John Stultz <jstultz@google.com>
Reviewed-and-tested-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20241206000009.1226085-1-jstultz@google.com

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 33b4646f8b24cf6c927f9d8c2188bae83e7256d8..643d101cb96a960ae7a694045cc128cd7cb8f670 100644 (file)
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -2516,16 +2516,13 @@ static struct task_struct *pick_earliest_pushable_dl_task(struct rq *rq, int cpu
                return NULL;
 
        next_node = rb_first_cached(&rq->dl.pushable_dl_tasks_root);
-
-next_node:
-       if (next_node) {
+       while (next_node) {
                p = __node_2_pdl(next_node);
 
                if (task_is_pushable(rq, p, cpu))
                        return p;
 
                next_node = rb_next(next_node);
-               goto next_node;
        }
 
        return NULL;