MAX_DEFER_WAITERS
if (curthread->nwaiter_defer >= MAX_DEFER_WAITERS) {
unsigned int *waddrs[MAX_DEFER_WAITERS];
if (curthread->nwaiter_defer >= MAX_DEFER_WAITERS) {
if (ba->count >= MAX_DEFER_WAITERS) {
unsigned int *defer_waiters[MAX_DEFER_WAITERS];