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-rw-r--r--include/asm-x86/mtrr.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-x86/mtrr.h b/include/asm-x86/mtrr.h
index 262670e4207..319d065800b 100644
--- a/include/asm-x86/mtrr.h
+++ b/include/asm-x86/mtrr.h
@@ -97,6 +97,7 @@ extern int mtrr_del_page (int reg, unsigned long base, unsigned long size);
extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
extern void mtrr_ap_init(void);
extern void mtrr_bp_init(void);
+extern int mtrr_trim_uncached_memory(unsigned long end_pfn);
# else
#define mtrr_save_fixed_ranges(arg) do {} while (0)
#define mtrr_save_state() do {} while (0)
@@ -120,7 +121,10 @@ static __inline__ int mtrr_del_page (int reg, unsigned long base,
{
return -ENODEV;
}
-
+static inline int mtrr_trim_uncached_memory(unsigned long end_pfn)
+{
+ return 0;
+}
static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;}
#define mtrr_ap_init() do {} while (0)