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-rw-r--r--drivers/misc/sgi-gru/grutables.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index 4251018f70f..a78f70deeb5 100644
--- a/drivers/misc/sgi-gru/grutables.h
+++ b/drivers/misc/sgi-gru/grutables.h
@@ -279,7 +279,7 @@ struct gru_stats_s {
#if defined CONFIG_IA64
#define VADDR_HI_BIT 64
#define GRUREGION(addr) ((addr) >> (VADDR_HI_BIT - 3) & 3)
-#elif defined __x86_64
+#elif defined CONFIG_X86_64
#define VADDR_HI_BIT 48
#define GRUREGION(addr) (0) /* ZZZ could do better */
#else