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- #ifndef _ASM_X86_PAT_H
- #define _ASM_X86_PAT_H
- #include <linux/types.h>
- #include <asm/pgtable_types.h>
- bool pat_enabled(void);
- void pat_disable(const char *reason);
- extern void pat_init(void);
- extern void init_cache_modes(void);
- extern int reserve_memtype(u64 start, u64 end,
- enum page_cache_mode req_pcm, enum page_cache_mode *ret_pcm);
- extern int free_memtype(u64 start, u64 end);
- extern int kernel_map_sync_memtype(u64 base, unsigned long size,
- enum page_cache_mode pcm);
- int io_reserve_memtype(resource_size_t start, resource_size_t end,
- enum page_cache_mode *pcm);
- void io_free_memtype(resource_size_t start, resource_size_t end);
- #endif /* _ASM_X86_PAT_H */
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