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

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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>
This commit is contained in:
Lai Jiangshan 2020-06-01 08:44:40 +00:00 committed by Tejun Heo
parent c39ba6b3a8
commit 10cdb15759
1 changed files with 1 additions and 1 deletions
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2
kernel/workqueue.c
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@ -5917,7 +5917,7 @@ void __init workqueue_init_early(void)
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));