diff options
Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 0ef49f3ebc8..18afcd31e76 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -599,6 +599,11 @@ static inline int pgd_bad(pgd_t pgd) { return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; } + +static inline int pgd_none(pgd_t pgd) +{ + return !pgd_val(pgd); +} #endif /* PAGETABLE_LEVELS > 3 */ #endif /* __ASSEMBLY__ */ |