Concurrent page-fault handling with per-VMA locks

Posted Sep 6, 2022 20:48 UTC (Tue) by Homer512 (subscriber, #85295)
In reply to: Concurrent page-fault handling with per-VMA locks by calumapplepie
Parent article: Concurrent page-fault handling with per-VMA locks

True. All in all, corbet's answer is probably the better one: A false-positive due to rollover is harmless and just results in semi-random slow-paths. So we might even use a tiny 8 bit counter if it makes struct packing better.