On Wed, Nov 11, 2020 at 09:03:20AM -0700, Shuah Khan wrote: > On 11/10/20 9:33 PM, Matthew Wilcox wrote: > > On Tue, Nov 10, 2020 at 12:53:26PM -0700, Shuah Khan wrote: > > > There are a number of atomic_t usages in the kernel where atomic_t api > > > is used strictly for counting sequence numbers and other statistical > > > counters and not for managing object lifetime. > > > > We already have something in Linux called a sequence counter, and it's > > different from this. ID counter? instance number? monotonic_t? stat_t? > > > > No results for monotonic_t or stat_t. Can you give me a pointer to what > your referring to. We have a seqcount_t. We need to call this something different. maybe we should call it stat_t (and for that usage, stat_add() as well as stat_inc() is a legitimate API to have).