return ret;
PARA_EMERG_LOG("mmap failed: %s\n", strerror(errno));
PARA_EMERG_LOG("length: %zu, flags: %d, fd: %d, offset: %zu\n",
return ret;
PARA_EMERG_LOG("mmap failed: %s\n", strerror(errno));
PARA_EMERG_LOG("length: %zu, flags: %d, fd: %d, offset: %zu\n",