298 	unsigned long cons_pos, prod_pos;  in ringbuf_avail_data_sz()  local
300 	cons_pos = smp_load_acquire(&rb->consumer_pos);  in ringbuf_avail_data_sz()
302 	return prod_pos - cons_pos;  in ringbuf_avail_data_sz()
407 	unsigned long cons_pos, prod_pos, new_prod_pos, pend_pos, flags;  in __bpf_ringbuf_reserve()  local
418 	cons_pos = smp_load_acquire(&rb->consumer_pos);  in __bpf_ringbuf_reserve()
444 	if (new_prod_pos - cons_pos > rb->mask ||  in __bpf_ringbuf_reserve()
484 	unsigned long rec_pos, cons_pos;  in bpf_ringbuf_commit()  local
502 	cons_pos = smp_load_acquire(&rb->consumer_pos) & rb->mask;  in bpf_ringbuf_commit()
506 	else if (cons_pos == rec_pos && !(flags & BPF_RB_NO_WAKEUP))  in bpf_ringbuf_commit()
673 	u64 cons_pos, prod_pos;  in __bpf_user_ringbuf_peek()  local
681 	cons_pos = smp_load_acquire(&rb->consumer_pos);  in __bpf_user_ringbuf_peek()
682 	if (cons_pos >= prod_pos)  in __bpf_user_ringbuf_peek()
685 	hdr = (u32 *)((uintptr_t)rb->data + (uintptr_t)(cons_pos & rb->mask));  in __bpf_user_ringbuf_peek()
693 	if (total_len > prod_pos - cons_pos)  in __bpf_user_ringbuf_peek()
711 		smp_store_release(&rb->consumer_pos, cons_pos + total_len);  in __bpf_user_ringbuf_peek()
719 			   (uintptr_t)((cons_pos + BPF_RINGBUF_HDR_SZ) & rb->mask));  in __bpf_user_ringbuf_peek()