diff options
Diffstat (limited to 'include/asm-x86/pgtable.h')
| -rw-r--r-- | include/asm-x86/pgtable.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 2726ddc457f..4409dabe31c 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -234,6 +234,14 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #ifndef __ASSEMBLY__ +/* + * Helper function that returns the kernel pagetable entry controlling + * the virtual address 'address'. NULL means no pagetable entry present. + * NOTE: the return type is pte_t but if the pmd is PSE then we return it + * as a pte too. + */ +extern pte_t *lookup_address(unsigned long address, int *level); + /* local pte updates need not use xchg for locking */ static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep) { |