x86: PAT fix
build fix for !CONFIG_MTRR.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/mtrr.h b/include/asm-x86/mtrr.h
index 968794a..ee17229 100644
--- a/include/asm-x86/mtrr.h
+++ b/include/asm-x86/mtrr.h
@@ -84,10 +84,9 @@
#ifdef __KERNEL__
-extern u8 mtrr_type_lookup(u64 addr, u64 end);
-
/* The following functions are for use by other drivers */
# ifdef CONFIG_MTRR
+extern u8 mtrr_type_lookup(u64 addr, u64 end);
extern void mtrr_save_fixed_ranges(void *);
extern void mtrr_save_state(void);
extern int mtrr_add (unsigned long base, unsigned long size,
@@ -101,6 +100,13 @@
extern void mtrr_bp_init(void);
extern int mtrr_trim_uncached_memory(unsigned long end_pfn);
# else
+static inline u8 mtrr_type_lookup(u64 addr, u64 end)
+{
+ /*
+ * Return no-MTRRs:
+ */
+ return 0xff;
+}
#define mtrr_save_fixed_ranges(arg) do {} while (0)
#define mtrr_save_state() do {} while (0)
static __inline__ int mtrr_add (unsigned long base, unsigned long size,