On Sat, Jun 25, 2022 at 05:33:45PM +0800, Miaohe Lin wrote: > si->inuse_pages could still be accessed concurrently now. The plain reads > outside si->lock critical section, i.e. swap_show and si_swapinfo, which > results in data races. READ_ONCE and WRITE_ONCE is used to fix such data > races. Note these data races should be ok because they're just used for > showing swap info. Was this found by kcsan? If so, it would be useful to record the exact kscan report in the commit message.
