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#ifndef __BACKPORT_SPINLOCK_H
#define __BACKPORT_SPINLOCK_H
#include_next <linux/spinlock.h>
#if LINUX_VERSION_IS_LESS(4,16,0)
int alloc_bucket_spinlocks(spinlock_t **locks, unsigned int *lock_mask,
size_t max_size, unsigned int cpu_mult,
gfp_t gfp);
void free_bucket_spinlocks(spinlock_t *locks);
#endif /* LINUX_VERSION_IS_LESS(4,16,0) */
#endif /* __BACKPORT_SPINLOCK_H */
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