Re: [PATCH] sched/eevdf: using leftmost improves the readability of the code
From: Mike Galbraith
Date: Mon Jan 15 2024 - 02:41:49 EST
On Mon, 2024-01-15 at 12:46 +0800, Liu Song wrote:
> Using 'leftmost' enhances code readability..
Not even a little bit, it's already blatantly obvious at a glance.
> Signed-off-by: Liu Song <liusong@xxxxxxxxxxxxxxxxx>
> ---
> kernel/sched/fair.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index f2bb83675e4a..4247584258ae 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -848,12 +848,12 @@ struct sched_entity *__pick_root_entity(struct cfs_rq *cfs_rq)
>
> struct sched_entity *__pick_first_entity(struct cfs_rq *cfs_rq)
> {
> - struct rb_node *left = rb_first_cached(&cfs_rq->tasks_timeline);
> + struct rb_node *leftmost = rb_first_cached(&cfs_rq->tasks_timeline);
>
> - if (!left)
> + if (!leftmost)
> return NULL;
>
> - return __node_2_se(left);
> + return __node_2_se(leftmost);
> }
>
> /*