On Tue, Dec 15, 2020 at 05:54:51PM -0700, Yu Zhao wrote: > On Mon, Dec 07, 2020 at 10:24:29PM +0000, Matthew Wilcox wrote: > > On Mon, Dec 07, 2020 at 03:09:45PM -0700, Yu Zhao wrote: > > > Move scattered VM_BUG_ONs to two essential places that cover all > > > lru list additions and deletions. > > > > I'd like to see these converted into VM_BUG_ON_PGFLAGS so you have > > to take that extra CONFIG step to enable checking them. > > Right. I'll make sure it won't slip my mind again in v2. Hugh has enlightened me that VM_BUG_ON_PGFLAGS() should not be used for this purpose. Sorry for the bad recommendation.