x86: consolidate header guards
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-x86 / pat.h
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1#ifndef ASM_X86__PAT_H
2#define ASM_X86__PAT_H
2e5d9c85 3
4#include <linux/types.h>
5
8d4a4300 6#ifdef CONFIG_X86_PAT
499f8f84 7extern int pat_enabled;
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8extern void validate_pat_support(struct cpuinfo_x86 *c);
9#else
499f8f84 10static const int pat_enabled;
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11static inline void validate_pat_support(struct cpuinfo_x86 *c) { }
12#endif
2e5d9c85 13
14extern void pat_init(void);
15
16extern int reserve_memtype(u64 start, u64 end,
17 unsigned long req_type, unsigned long *ret_type);
18extern int free_memtype(u64 start, u64 end);
19
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20extern void pat_disable(char *reason);
21
77ef50a5 22#endif /* ASM_X86__PAT_H */