diff options
Diffstat (limited to 'arch/x86/mm/pageattr.c')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index a270f9ccebf..4589a1382fa 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -28,6 +28,8 @@ pte_t *lookup_address(unsigned long address, int *level) pud_t *pud; pmd_t *pmd; + *level = PG_LEVEL_NONE; + if (pgd_none(*pgd)) return NULL; pud = pud_offset(pgd, address); @@ -36,11 +38,12 @@ pte_t *lookup_address(unsigned long address, int *level) pmd = pmd_offset(pud, address); if (pmd_none(*pmd)) return NULL; - *level = 3; + + *level = PG_LEVEL_2M; if (pmd_large(*pmd)) return (pte_t *)pmd; - *level = 4; + *level = PG_LEVEL_4K; return pte_offset_kernel(pmd, address); } @@ -145,7 +148,7 @@ repeat: address < (unsigned long)&_etext && (pgprot_val(prot) & _PAGE_NX)); - if (level == 4) { + if (level == PG_LEVEL_4K) { set_pte_atomic(kpte, mk_pte(page, canon_pgprot(prot))); } else { err = split_large_page(kpte, address); |