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-rw-r--r--src/cpu/x86/mtrr/mtrr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c
index 7b8d43c1f1..dab5a0f422 100644
--- a/src/cpu/x86/mtrr/mtrr.c
+++ b/src/cpu/x86/mtrr/mtrr.c
@@ -37,7 +37,7 @@
#include <cpu/x86/mtrr.h>
#include <cpu/x86/cache.h>
-#ifdef CONFIG_GFXUMA
+#if CONFIG_GFXUMA
extern uint64_t uma_memory_base, uma_memory_size;
#endif