1 files changed, 7 insertions, 3 deletions

diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h
index b8493b3b9890..2cd07b9422f4 100644
--- a/arch/x86/include/asm/pat.h
+++ b/arch/x86/include/asm/pat.h
@@ -2,13 +2,12 @@
 #define _ASM_X86_PAT_H
 
 #include <linux/types.h>
+#include <asm/pgtable_types.h>
 
 #ifdef CONFIG_X86_PAT
 extern int pat_enabled;
-extern void validate_pat_support(struct cpuinfo_x86 *c);
 #else
 static const int pat_enabled;
-static inline void validate_pat_support(struct cpuinfo_x86 *c) { }
 #endif
 
 extern void pat_init(void);
@@ -17,6 +16,11 @@ extern int reserve_memtype(u64 start, u64 end,
                 unsigned long req_type, unsigned long *ret_type);
 extern int free_memtype(u64 start, u64 end);
 
-extern void pat_disable(char *reason);
+extern int kernel_map_sync_memtype(u64 base, unsigned long size,
+                unsigned long flag);
+extern void map_devmem(unsigned long pfn, unsigned long size,
+                       struct pgprot vma_prot);
+extern void unmap_devmem(unsigned long pfn, unsigned long size,
+                         struct pgprot vma_prot);
 
 #endif /* _ASM_X86_PAT_H */