Am I the only one missing patch 1-5? lore.k.o doesn't seem to link them under this message id either. On Tue 06-10-20 13:51:03, Dave Hansen wrote: > First of all, I think this little slice of code is a bit > under-documented. Perhaps this will help clarify things. > > I'm pretty confident the page_count() check in the first > patch is right, which is why I removed it outright. The > xas_load() check is a bit murkier, so I just left a > warning in for it. > > Cc: Nicholas Piggin <npiggin@xxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Cc: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> > Cc: linux-mm@xxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx -- Michal Hocko SUSE Labs