arm64: rusage: Fix counting contiguous PTEs

Change-Id: I7e89c25d49dc1f6efe1c27c76c66c6fedd22af1f
Refs: #1342

test/issues/1342/issue_1325.c

@@ -0,0 +1,47 @@
+/* issue_1325.c COPYRIGHT FUJITSU LIMITED 2019 */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* for 512MiB allocated McKernel failure sizes */
+#define MALLOC1_SIZE (350 * 1024 * 1024)
+#define MALLOC2_SIZE (400 * 1024 * 1024)
+
+int main(int argc, char *argv[])
+{
+	const long pgsize = sysconf(_SC_PAGESIZE);
+	char *p1 = NULL;
+	char *p2 = NULL;
+	size_t off = 0;
+	int ret = -1;
+
+	p1 = malloc(MALLOC1_SIZE);
+	if (p1 == NULL) {
+		printf("malloc1:allocate failed.\n");
+		goto err;
+	}
+	printf("malloc1:allocate 0x%lx\n", (unsigned long)p1);
+
+	for (off = 0; off < MALLOC1_SIZE; off += pgsize) {
+		*(p1 + off) = 'Z';
+	}
+	printf("malloc1:access ok, free\n");
+	free(p1);
+
+	p2 = malloc(MALLOC2_SIZE);
+	if (p2 == NULL) {
+		printf("malloc2:allocate failed.\n");
+		goto err;
+	}
+	printf("malloc2:allocate 0x%lx\n", (unsigned long)p2);
+
+	for (off = 0; off < MALLOC2_SIZE; off += pgsize) {
+		*(p2 + off) = 'Z';
+	}
+	printf("malloc2:access ok, free\n");
+	free(p2);
+
+	ret = 0;
+err:
+	return ret;
+}