On Tue, Jan 26, 2021 at 07:21:13PM +0100, David Hildenbrand wrote: > adjust_managed_page_count() as called by free_reserved_page() properly > handles pages in a highmem zone, so we can reuse it for > free_highmem_page(). > > We can now get rid of totalhigh_pages_inc() and simplify > free_reserved_page(). > > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: "Peter Zijlstra (Intel)" <peterz@xxxxxxxxxxxxx> > Cc: Mike Rapoport <rppt@xxxxxxxxxx> > Cc: Oscar Salvador <osalvador@xxxxxxx> > Cc: Michal Hocko <mhocko@xxxxxxxxxx> > Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx> > Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> > +#define free_highmem_page(page) free_reserved_page(page) Should we place that under #ifdef CONFIG_HIGHMEM to make clear that it is only used on that config? Maybe the #ifdefery ugliness does not pay off. -- Oscar Salvador SUSE L3