.

t_sysmmap_c.c

@@ -58,7 +58,7 @@ int main() {
 	printf("T(fallocate):\t%.1f\t%6.1f ns / page\n", Tend - Tstart, (Tend - Tstart) * 1E9 / NITER);
 
 	Tstart = microtime();
-	addr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
+	addr = mmap(NULL, size, PROT_READ, MAP_SHARED | MAP_POPULATE, fd, 0);
 	if (addr == MAP_FAILED) {
 		perror("mmap");
 		abort();