areas_size       2707 mm/percpu.c    	size_t size_sum, areas_size;
areas_size       2717 mm/percpu.c    	areas_size = PFN_ALIGN(ai->nr_groups * sizeof(void *));
areas_size       2719 mm/percpu.c    	areas = memblock_alloc(areas_size, SMP_CACHE_BYTES);
areas_size       2805 mm/percpu.c    		memblock_free_early(__pa(areas), areas_size);