转自 https://blog.csdn.net/lvbian/article/details/16341973
mmap_addr = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE, fd, 0);
转自 https://blog.csdn.net/lvbian/article/details/16341973
mmap_addr = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE, fd, 0);