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Diffstat (limited to 'kernel/sched/psi.c')
-rw-r--r--kernel/sched/psi.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index d1212f17a898..db27b69fa92a 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -699,14 +699,15 @@ static void psi_group_change(struct psi_group *group, int cpu,
for (t = 0, m = clear; m; m &= ~(1 << t), t++) {
if (!(m & (1 << t)))
continue;
- if (groupc->tasks[t] == 0 && !psi_bug) {
+ if (groupc->tasks[t]) {
+ groupc->tasks[t]--;
+ } else if (!psi_bug) {
printk_deferred(KERN_ERR "psi: task underflow! cpu=%d t=%d tasks=[%u %u %u %u] clear=%x set=%x\n",
cpu, t, groupc->tasks[0],
groupc->tasks[1], groupc->tasks[2],
groupc->tasks[3], clear, set);
psi_bug = 1;
}
- groupc->tasks[t]--;
}
for (t = 0; set; set &= ~(1 << t), t++)