aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/pat.h
blob: b0e70056838e9d49c4e530f0396926c91abef1fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
#ifndef _ASM_X86_PAT_H
#define _ASM_X86_PAT_H

#include <linux/types.h>

#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);

#endif /* _ASM_X86_PAT_H */