Resguardo inicial

linux-7.2.3/tools/testing/selftests/riscv/mm/mmap_test.h

@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _TESTCASES_MMAP_TEST_H
+#define _TESTCASES_MMAP_TEST_H
+#include <sys/mman.h>
+#include <sys/resource.h>
+#include <stddef.h>
+#include <strings.h>
+#include "kselftest_harness.h"
+
+#define TOP_DOWN 0
+#define BOTTOM_UP 1
+
+#define PROT (PROT_READ | PROT_WRITE)
+#define FLAGS (MAP_PRIVATE | MAP_ANONYMOUS)
+
+static inline int memory_layout(void)
+{
+	void *value1 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
+	void *value2 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
+
+	return value2 > value1;
+}
+#endif /* _TESTCASES_MMAP_TEST_H */