From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
Not entirely clear why the preload was there with no locking. Maybe at
one time there was a lock, and the preload was never removed?
Signed-off-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
---
kernel/irq/timings.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c
index e0923fa4927a..e9f16527656c 100644
--- a/kernel/irq/timings.c
+++ b/kernel/irq/timings.c
@@ -356,9 +356,7 @@ int irq_timings_alloc(int irq)
if (!s)
return -ENOMEM;
- idr_preload(GFP_KERNEL);
- id = idr_alloc(&irqt_stats, s, irq, irq + 1, GFP_NOWAIT);
- idr_preload_end();
+ id = idr_alloc(&irqt_stats, s, irq, irq + 1, GFP_KERNEL);
if (id < 0) {
free_percpu(s);
--
2.15.0
