diff options
| author | Wei Yang <richardw.yang@linux.intel.com> | 2020-01-30 22:12:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-31 10:30:37 -0800 |
| commit | be9d30458913f70bed1801abb5ee6f7b7d6f4b19 (patch) | |
| tree | 95d00ac56458cad1163dbff087e632e4df09e21a /mm/gup.c | |
| parent | 15494520b776aa2eadc3e2fefae524764cab9cea (diff) | |
| download | lwn-be9d30458913f70bed1801abb5ee6f7b7d6f4b19.tar.gz lwn-be9d30458913f70bed1801abb5ee6f7b7d6f4b19.zip | |
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 <richardw.yang@linux.intel.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/gup.c')
| -rw-r--r-- | mm/gup.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -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; |