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#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 */
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