Example of hq-spinlock enabled for dentry->lockref spinlock (used in nginx testing scenario)
In the evaluated nginx single-file workload on Kunpeng 920, throughput gains reached 68-78% at 64-96 workers. Co-developed-by: Anatoly Stepanov <[email protected]> Signed-off-by: Anatoly Stepanov <[email protected]> Co-developed-by: Nikita Fedorov <[email protected]> Signed-off-by: Nikita Fedorov <[email protected]> --- include/linux/lockref.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/lockref.h b/include/linux/lockref.h index 6ded24cdb4..19a1c3823c 100644 --- a/include/linux/lockref.h +++ b/include/linux/lockref.h @@ -42,7 +42,7 @@ struct lockref { */ static inline void lockref_init(struct lockref *lockref) { - spin_lock_init(&lockref->lock); + spin_lock_init_hq(&lockref->lock); lockref->count = 1; } -- 2.34.1
