#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);
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);