| #ifndef ASM_X86__PAT_H |
| #define ASM_X86__PAT_H |
| |
| #include <linux/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); |
| |
| 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); |
| |
| #endif /* ASM_X86__PAT_H */ |