MMAP_REGION_START  183 lj_alloc.c     #define MMAP_REGION_START	((uintptr_t)0x1000)
MMAP_REGION_START  186 lj_alloc.c     #define MMAP_REGION_START	((uintptr_t)0)
MMAP_REGION_START  205 lj_alloc.c     #define MMAP_REGION_START	((uintptr_t)0x10000)
MMAP_REGION_START  207 lj_alloc.c     #define MMAP_REGION_START	((uintptr_t)0x4000)
MMAP_REGION_START  209 lj_alloc.c     #define MMAP_REGION_START	((uintptr_t)0x10000000)