MMAP_PROT         192 lj_alloc.c       void *ptr = mmap((void *)MMAP_REGION_START, size, MMAP_PROT, MAP_32BIT|MMAP_FLAGS, -1, 0);
MMAP_PROT         233 lj_alloc.c         void *p = mmap((void *)alloc_hint, size, MMAP_PROT, MMAP_FLAGS, -1, 0);
MMAP_PROT         265 lj_alloc.c       void *ptr = mmap(NULL, size, MMAP_PROT, MMAP_FLAGS, -1, 0);