On Mon, Sep 14, 2020 at 1:53 PM Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > One way I can see that happening (with the fair page locking) is to do > something like this Note that the "lock_page()" cases in that deadlock example sequence of mine is not necessarily at all an explicit lock_page(). It is more likely to be something that indirectly causes it - like a user access that faults in the page and causes lock_page() as part of that. Linus