2020년 5월 1일 (금) 오후 9:34, Christoph Hellwig <hch@xxxxxxxxxxxxx>님이 작성: > > On Fri, May 01, 2020 at 09:15:30PM +0900, Joonsoo Kim wrote: > > I think that PageHighMemZone() is long and complicated enough to have > > a macro. > > It is. But then again it also shouldn't really be used by anything > but MM internals. I'm not sure that we can make it MM internal but I will try. > > > > PageHighMemZone(page) = is_highmem_idx(zone_idx(page_zone(page)) > > > > Instead of open-code, how about changing the style of macro like as > > page_from_highmem()? What PageHighMemZone() represent is derivated > > attribute from the page so PageXXX() style may not be appropriate. > > Maybe page_is_highmem_zone() with a big kerneldoc comment explaining > the use case? Bonus points of killing enough users that it can be > in mm/internal.h. I will try to kill page_is_highmem_zone() as much as possible in next version. Thanks.
