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-rw-r--r--tools/testing/selftests/x86/mpx-mm.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/x86/mpx-mm.h b/tools/testing/selftests/x86/mpx-mm.h
new file mode 100644
index 000000000000..af706a5398f7
--- /dev/null
+++ b/tools/testing/selftests/x86/mpx-mm.h
@@ -0,0 +1,9 @@
+#ifndef _MPX_MM_H
+#define _MPX_MM_H
+
+#define PAGE_SIZE 4096
+#define MB (1UL<<20)
+
+extern long nr_incore(void *ptr, unsigned long size_bytes);
+
+#endif /* _MPX_MM_H */