On Thu, Aug 10, 2017 at 10:35:02AM +0900, Byungchul Park wrote: > On Mon, Aug 07, 2017 at 04:12:58PM +0900, Byungchul Park wrote: > > Although lock_page() and its family can cause deadlock, the lock > > correctness validator could not be applied to them until now, becasue > > things like unlock_page() might be called in a different context from > > the acquisition context, which violates lockdep's assumption. > > > > Thanks to CONFIG_LOCKDEP_CROSSRELEASE, we can now apply the lockdep > > detector to page locks. Applied it. > > Is there any reason excluding applying it into PG_locked?
Wanted to start small..