On Fri, Apr 01, 2022 at 04:08:35PM -0400, Felix Kuehling wrote: > > 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. > > OK. We can do that. It would solve the function naming problem, and we'd > have more visibility of device page handling in more places in the kernel, > which has educational value. Personally I find the 'is page XYZ' pretty confusing, like I don't know half of what the PageKsm annotations are for.. Testing against a specific property the code goes on to use right away seems more descriptive to me. Jason