On March 31, 2017 2:49 PM Michal Hocko wrote: > On Fri 31-03-17 11:49:49, Hillf Danton wrote: > [...] > > > -/* Can fail with -ENOMEM from allocating a wait table with vmalloc() or > > > - * alloc_bootmem_node_nopanic()/memblock_virt_alloc_node_nopanic() */ > > > -static int __ref ensure_zone_is_initialized(struct zone *zone, > > > +static void __ref ensure_zone_is_initialized(struct zone *zone, > > > unsigned long start_pfn, unsigned long num_pages) > > > { > > > - if (zone_is_empty(zone)) > > > - return init_currently_empty_zone(zone, start_pfn, num_pages); > > > - > > > - return 0; > > > + if (!zone_is_empty(zone)) > > > + init_currently_empty_zone(zone, start_pfn, num_pages); > > > } > > Semantic change added? > > could you be more specific?
Well, I'm wondering why you are trying to initiate a nonempty zone. Hillf