free_highmem 197 arch/nds32/mm/init.c free_highmem(); free_highmem 1859 kernel/power/snapshot.c unsigned int free_highmem = count_free_highmem_pages() + alloc_highmem; free_highmem 1861 kernel/power/snapshot.c if (free_highmem >= nr_highmem) free_highmem 1864 kernel/power/snapshot.c nr_highmem -= free_highmem;