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-rw-r--r--drivers/edac/mce_amd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
index 0d0637debbad..35f6e0e3b297 100644
--- a/drivers/edac/mce_amd.h
+++ b/drivers/edac/mce_amd.h
@@ -5,6 +5,8 @@
#include <asm/mce.h>
+#define BIT_64(n) (U64_C(1) << (n))
+
#define ERROR_CODE(x) ((x) & 0xffff)
#define EXT_ERROR_CODE(x) (((x) >> 16) & 0x1f)