From c9cfcddfd65735437a4cb8563d6b66a6da8a5ed6 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 29 Nov 2005 14:03:14 -0800 Subject: VM: add common helper function to create the page tables This logic was duplicated four times, for no good reason. Signed-off-by: Linus Torvalds --- mm/fremap.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) (limited to 'mm/fremap.c') diff --git a/mm/fremap.c b/mm/fremap.c index f851775e09c..9f381e58bf4 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -55,20 +55,10 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma, pgoff_t size; int err = -ENOMEM; pte_t *pte; - pmd_t *pmd; - pud_t *pud; - pgd_t *pgd; pte_t pte_val; spinlock_t *ptl; - pgd = pgd_offset(mm, addr); - pud = pud_alloc(mm, pgd, addr); - if (!pud) - goto out; - pmd = pmd_alloc(mm, pud, addr); - if (!pmd) - goto out; - pte = pte_alloc_map_lock(mm, pmd, addr, &ptl); + pte = get_locked_pte(mm, addr, &ptl); if (!pte) goto out; @@ -110,20 +100,10 @@ int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma, { int err = -ENOMEM; pte_t *pte; - pmd_t *pmd; - pud_t *pud; - pgd_t *pgd; pte_t pte_val; spinlock_t *ptl; - pgd = pgd_offset(mm, addr); - pud = pud_alloc(mm, pgd, addr); - if (!pud) - goto out; - pmd = pmd_alloc(mm, pud, addr); - if (!pmd) - goto out; - pte = pte_alloc_map_lock(mm, pmd, addr, &ptl); + pte = get_locked_pte(mm, addr, &ptl); if (!pte) goto out; -- cgit v1.2.3