From: Qian Cai <cai@lca.pw>
To: peterz@infradead.org, mingo@redhat.com
Cc: juri.lelli@redhat.com, vincent.guittot@linaro.org,
dietmar.eggemann@arm.com, rostedt@goodmis.org,
bsegall@google.com, mgorman@suse.de, frederic@kernel.org,
linux-kernel@vger.kernel.org, Qian Cai <cai@lca.pw>
Subject: [PATCH -next] sched/core: fix variable "delta" set but not used
Date: Thu, 19 Dec 2019 09:03:14 -0500 [thread overview]
Message-ID: <20191219140314.1252-1-cai@lca.pw> (raw)
The commit 5443a0be6121 ("sched: Use fair:prio_changed() instead of
ad-hoc implementation") left behind an unused variable.
kernel/sched/core.c: In function 'set_user_nice':
kernel/sched/core.c:4507:16: warning: variable 'delta' set but not used
[-Wunused-but-set-variable]
int old_prio, delta;
^~~~~
Fixes: 5443a0be6121 ("sched: Use fair:prio_changed() instead of ad-hoc implementation")
Signed-off-by: Qian Cai <cai@lca.pw>
---
kernel/sched/core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 15508c202bf5..1f6c094520e0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4504,7 +4504,7 @@ static inline int rt_effective_prio(struct task_struct *p, int prio)
void set_user_nice(struct task_struct *p, long nice)
{
bool queued, running;
- int old_prio, delta;
+ int old_prio;
struct rq_flags rf;
struct rq *rq;
@@ -4538,7 +4538,6 @@ void set_user_nice(struct task_struct *p, long nice)
set_load_weight(p, true);
old_prio = p->prio;
p->prio = effective_prio(p);
- delta = p->prio - old_prio;
if (queued)
enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK);
--
2.21.0 (Apple Git-122.2)
next reply other threads:[~2019-12-19 14:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-19 14:03 Qian Cai [this message]
2019-12-25 10:39 ` [tip: sched/core] sched/core: Remove unused variable from set_user_nice() tip-bot2 for Qian Cai
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