Add program for Milestone 3

WriteVMemory2.cc

+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <cstring>
+
+using namespace std;
+
+int main() {
+  size_t pagesize = getpagesize();
+  long int addr = (pagesize * (1 << 20));
+  
+  char * region = (char*)mmap((void*) addr, pagesize, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_PRIVATE, 0, 0);
+  if (region == MAP_FAILED) {
+    perror("Could not mmap");
+    return 1;
+  }
+  
+  printf("Writing to %p\n", (void*)region);
+  strcpy(region, "hmmm");
+  
+  while(1){};
+
+  return 0;
+}
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