commit 10cdb15759540f03d056e2f73fe26377ed7dcfda
author Lai Jiangshan <laijs@linux.alibaba.com> Mon Jun 01 08:44:40 2020 +0000
committer Tejun Heo <tj@kernel.org> Mon Jun 01 11:02:42 2020 -0400
tree 8666bbe0770b2b1a8eabac5df95ee7319b107d2d
parent c39ba6b3a8d47be07c180f857564a25a0356d336

workqueue: use BUILD_BUG_ON() for compile time test instead of WARN_ON()

Any runtime WARN_ON() has to be fixed, and BUILD_BUG_ON() can
help you nitice it earlier.

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

kernel/workqueue.c

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index c667ca5ae..9fbe1e2 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5917,7 +5917,7 @@
 	int hk_flags = HK_FLAG_DOMAIN | HK_FLAG_WQ;
 	int i, cpu;
 
-	WARN_ON(__alignof__(struct pool_workqueue) < __alignof__(long long));
+	BUILD_BUG_ON(__alignof__(struct pool_workqueue) < __alignof__(long long));
 
 	BUG_ON(!alloc_cpumask_var(&wq_unbound_cpumask, GFP_KERNEL));
 	cpumask_copy(wq_unbound_cpumask, housekeeping_cpumask(hk_flags));