From a5f55035f63cf040b4a7161226ec35520cc10daa Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 30 Jan 2008 13:33:59 +0100 Subject: [PATCH] x86: prepare for the unification of the cpa code prepare for the unification of the cpa code, by unifying the lookup_address() logic between 32-bit and 64-bit. Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/mm/pageattr_64.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c index 73dbbb4048e6..7b734ee5b7fd 100644 --- a/arch/x86/mm/pageattr_64.c +++ b/arch/x86/mm/pageattr_64.c @@ -19,26 +19,21 @@ pte_t *lookup_address(unsigned long address, int *level) pgd_t *pgd = pgd_offset_k(address); pud_t *pud; pmd_t *pmd; - pte_t *pte; if (pgd_none(*pgd)) return NULL; pud = pud_offset(pgd, address); - if (!pud_present(*pud)) + if (pud_none(*pud)) return NULL; pmd = pmd_offset(pud, address); - if (!pmd_present(*pmd)) + if (pmd_none(*pmd)) return NULL; *level = 3; if (pmd_large(*pmd)) return (pte_t *)pmd; *level = 4; - pte = pte_offset_kernel(pmd, address); - if (pte && !pte_present(*pte)) - pte = NULL; - - return pte; + return pte_offset_kernel(pmd, address); } static struct page * -- GitLab