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2e5d9c85 | 1 | |
2 | #ifndef _ASM_PAT_H | |
3 | #define _ASM_PAT_H 1 | |
4 | ||
5 | #include <linux/types.h> | |
6 | ||
8d4a4300 | 7 | #ifdef CONFIG_X86_PAT |
2e5d9c85 | 8 | extern int pat_wc_enabled; |
8d4a4300 TG |
9 | extern void validate_pat_support(struct cpuinfo_x86 *c); |
10 | #else | |
11 | static const int pat_wc_enabled = 0; | |
12 | static inline void validate_pat_support(struct cpuinfo_x86 *c) { } | |
13 | #endif | |
2e5d9c85 | 14 | |
15 | extern void pat_init(void); | |
16 | ||
17 | extern int reserve_memtype(u64 start, u64 end, | |
18 | unsigned long req_type, unsigned long *ret_type); | |
19 | extern int free_memtype(u64 start, u64 end); | |
20 | ||
8d4a4300 TG |
21 | extern void pat_disable(char *reason); |
22 | ||
2e5d9c85 | 23 | #endif |
24 |