diff options
Diffstat (limited to 'arch/x86/include/asm/pgtable-2level.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable-2level.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h index c399ea5eea41..24c6cf5f16b7 100644 --- a/arch/x86/include/asm/pgtable-2level.h +++ b/arch/x86/include/asm/pgtable-2level.h @@ -104,4 +104,21 @@ static inline unsigned long pte_bitop(unsigned long value, unsigned int rightshi #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) #define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) +/* No inverted PFNs on 2 level page tables */ + +static inline u64 protnone_mask(u64 val) +{ + return 0; +} + +static inline u64 flip_protnone_guard(u64 oldval, u64 val, u64 mask) +{ + return val; +} + +static inline bool __pte_needs_invert(u64 val) +{ + return false; +} + #endif /* _ASM_X86_PGTABLE_2LEVEL_H */ |