2024-05-28 11:33:56

by Qi Zheng

[permalink] [raw]
Subject: [PATCH] sched/numa: return earlier in task_numa_work()

When a new mm has been allocated, we can return directly after
initializing the mm->numa_next_scan to avoid redundant calling
of the time_before().

No functional change intended.

Signed-off-by: Qi Zheng <[email protected]>
---
kernel/sched/fair.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8a5b1ae0aa55..b78528a6312e 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3228,6 +3228,7 @@ static void task_numa_work(struct callback_head *work)
if (!mm->numa_next_scan) {
mm->numa_next_scan = now +
msecs_to_jiffies(sysctl_numa_balancing_scan_delay);
+ return;
}

/*
--
2.20.1