619 	s32 inflight;  in page_pool_inflight()  local
621 	inflight = _distance(hold_cnt, release_cnt);  in page_pool_inflight()
624 		trace_page_pool_release(pool, inflight, hold_cnt, release_cnt);  in page_pool_inflight()
625 		WARN(inflight < 0, "Negative(%d) inflight packet-pages",  in page_pool_inflight()
626 		     inflight);  in page_pool_inflight()
628 		inflight = max(0, inflight);  in page_pool_inflight()
631 	return inflight;  in page_pool_inflight()
662 		/* Always account for inflight pages, even if we didn't  in __page_pool_release_page_dma()
1094 	int inflight;  in page_pool_release()  local
1097 	inflight = page_pool_inflight(pool, true);  in page_pool_release()
1098 	if (!inflight)  in page_pool_release()
1101 	return inflight;  in page_pool_release()
1109 	int inflight;  in page_pool_release_retry()  local
1111 	inflight = page_pool_release(pool);  in page_pool_release_retry()
1112 	/* In rare cases, a driver bug may cause inflight to go negative.  in page_pool_release_retry()
1113 	 * Don't reschedule release if inflight is 0 or negative.  in page_pool_release_retry()
1118 	if (inflight <= 0)  in page_pool_release_retry()
1127 		pr_warn("%s() stalled pool shutdown: id %u, %d inflight %d sec\n",  in page_pool_release_retry()
1128 			__func__, pool->user.id, inflight, sec);  in page_pool_release_retry()