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-rw-r--r--tools/testing/selftests/mm/pkey-x86.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/mm/pkey-x86.h b/tools/testing/selftests/mm/pkey-x86.h
index 5f28e26a2511..ac91777c8917 100644
--- a/tools/testing/selftests/mm/pkey-x86.h
+++ b/tools/testing/selftests/mm/pkey-x86.h
@@ -34,6 +34,8 @@
#define PAGE_SIZE 4096
#define MB (1<<20)
+#define PKEY_REG_ALLOW_NONE 0x55555555
+
static inline void __page_o_noops(void)
{
/* 8-bytes of instruction * 512 bytes = 1 page */