From be9d30458913f70bed1801abb5ee6f7b7d6f4b19 Mon Sep 17 00:00:00 2001 From: Wei Yang Date: Thu, 30 Jan 2020 22:12:14 -0800 Subject: [PATCH] mm/gup.c: use is_vm_hugetlb_page() to check whether to follow huge No functional change, just leverage the helper function to improve readability as others. Link: http://lkml.kernel.org/r/20200113070322.26627-1-richardw.yang@linux.intel.com Signed-off-by: Wei Yang Acked-by: Vlastimil Babka Acked-by: David Rientjes Reviewed-by: Ralph Campbell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/gup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index 9c41670d3f43..6cb71800fb5c 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -323,7 +323,7 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, pmdval = READ_ONCE(*pmd); if (pmd_none(pmdval)) return no_page_table(vma, flags); - if (pmd_huge(pmdval) && vma->vm_flags & VM_HUGETLB) { + if (pmd_huge(pmdval) && is_vm_hugetlb_page(vma)) { page = follow_huge_pmd(mm, address, pmd, flags); if (page) return page; @@ -433,7 +433,7 @@ static struct page *follow_pud_mask(struct vm_area_struct *vma, pud = pud_offset(p4dp, address); if (pud_none(*pud)) return no_page_table(vma, flags); - if (pud_huge(*pud) && vma->vm_flags & VM_HUGETLB) { + if (pud_huge(*pud) && is_vm_hugetlb_page(vma)) { page = follow_huge_pud(mm, address, pud, flags); if (page) return page; -- GitLab