On 1/27/21 7:44 AM, Oleksij Rempel wrote: >>> changes v3: >>> - convert counter to atomic_t >> >> What's the guaranteed width of atomic_t? IIRC a long time ago it was 24 bit only.... > > 32 bits. The counter is wrapped after 4294967295 Note: This is only true for >= v2.6.3 :D https://lwn.net/Articles/71732/ Feeling old, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |