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authorEdmundo Carmona Antoranz <eantoranz@gmail.com>2021-03-06 15:07:39 -0600
committerPeter Zijlstra <peterz@infradead.org>2021-03-10 09:51:49 +0100
commit13c2235b2b2870675195f0b551275d1abdd81068 (patch)
treecae34342507f0458f49cd1a48a904a8ec68504a9 /kernel/sched
parent1e17fb8edc5ad6587e9303ccdebce853bc8cf30c (diff)
downloadlinux-13c2235b2b2870675195f0b551275d1abdd81068.tar.gz
sched: Remove unnecessary variable from schedule_tail()
Since 565790d28b1 (sched: Fix balance_callback(), 2020-05-11), there
is no longer a need to reuse the result value of the call to finish_task_switch()
inside schedule_tail(), therefore the variable used to hold that value
(rq) is no longer needed.

Signed-off-by: Edmundo Carmona Antoranz <eantoranz@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210306210739.1370486-1-eantoranz@gmail.com
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d2629fd2af07..28c4df6dfd97 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4253,8 +4253,6 @@ static struct rq *finish_task_switch(struct task_struct *prev)
 asmlinkage __visible void schedule_tail(struct task_struct *prev)
 	__releases(rq->lock)
 {
-	struct rq *rq;
-
 	/*
 	 * New tasks start with FORK_PREEMPT_COUNT, see there and
 	 * finish_task_switch() for details.
@@ -4264,7 +4262,7 @@ asmlinkage __visible void schedule_tail(struct task_struct *prev)
 	 * PREEMPT_COUNT kernels).
 	 */
 
-	rq = finish_task_switch(prev);
+	finish_task_switch(prev);
 	preempt_enable();
 
 	if (current->set_child_tid)