On (23/07/26 11:31), Sergey Senozhatsky wrote: > On (23/07/21 14:37), Andrew Yang wrote: > > > > Since fullness and isolated share the same unsigned int, > > modifications of them should be protected by the same lock. > > Sorry, I don't think I follow. Can you please elaborate? > What is fullness in this context? Oh, my bad, so that's zspage's fullness:FULLNESS_BITS and isolated:ISOLATED_BITS. I somehow thought about something very different (page isolated, not zspage isolated).