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Diffstat (limited to 'tools/testing/selftests/mm/vm_util.h')
-rw-r--r--tools/testing/selftests/mm/vm_util.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/mm/vm_util.h b/tools/testing/selftests/mm/vm_util.h
index c20298ae98ea..b55d1809debc 100644
--- a/tools/testing/selftests/mm/vm_util.h
+++ b/tools/testing/selftests/mm/vm_util.h
@@ -23,7 +23,7 @@
* anything with it in order to trigger a read page fault. We therefore must use
* volatile to stop the compiler from optimising this away.
*/
-#define FORCE_READ(x) (*(volatile typeof(x) *)x)
+#define FORCE_READ(x) (*(const volatile typeof(x) *)&(x))
extern unsigned int __page_size;
extern unsigned int __page_shift;