On Thu, Mar 31, 2022 at 10:55:13AM +0200, David Hildenbrand wrote: > > Why can't this deal with ZONE_DEVICE pages? It certainly has > > nothing do with a LRU I think. In fact being able to have > > stats that count say the number of device pages here would > > probably be useful at some point. > > > > In general I find the vm_normal_lru_page vs vm_normal_page > > API highly confusing. An explicit check for zone device pages > > in the dozen or so spots that care has a much better documentation > > value, especially if accompanied by comments where it isn't entirely > > obvious. > > What's your thought on FOLL_LRU? Also a bit confusing, but inbetween all these FOLL_ flags it doesn't really matter any more.
