diff options
Diffstat (limited to 'arch/x86/include/asm/pat.h')
| -rw-r--r-- | arch/x86/include/asm/pat.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h new file mode 100644 index 000000000000..482c3e3f9879 --- /dev/null +++ b/arch/x86/include/asm/pat.h @@ -0,0 +1,22 @@ +#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 */ |