#ifndef _ASM_X86_PAT_H #define _ASM_X86_PAT_H #include #include #ifdef CONFIG_X86_PAT extern int pat_enabled; #else static const int pat_enabled; #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 int kernel_map_sync_memtype(u64 base, unsigned long size, unsigned long flag); int io_reserve_memtype(resource_size_t start, resource_size_t end, unsigned long *type); void io_free_memtype(resource_size_t start, resource_size_t end); #endif /* _ASM_X86_PAT_H */