Hi, C11 and c++11 have memory order like memory_order_seq_cst .What is the equivalent in Linux kernel ? atomic64_inc(&var) ; __SMP_mb(); Regards, Navin -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20210402/b10344b7/attachment.html>