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Diffstat (limited to 'arch/x86/include/asm/pat.h')
-rw-r--r--arch/x86/include/asm/pat.h10
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 */