see linux commit e47168f3d1b14af5281cf50c59561d59d28201f9 powerpc/8xx: Support 16k hugepages with 4k pages
@@ -40,6 +40,7 @@ extern "C" {
#define MAP_HUGE_SHIFT 26
#define MAP_HUGE_MASK 0x3f
+#define MAP_HUGE_16KB (14 << 26)
#define MAP_HUGE_64KB (16 << 26)
#define MAP_HUGE_512KB (19 << 26)
#define MAP_HUGE_1MB (20 << 26)