We could use helper function vma_lookup() to lookup the needed vma to simplify the code. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- mm/migrate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 15cac2dabc93..bc79d7338780 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1613,8 +1613,8 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, mmap_read_lock(mm); err = -EFAULT; - vma = find_vma(mm, addr); - if (!vma || addr < vma->vm_start || !vma_migratable(vma)) + vma = vma_lookup(mm, addr); + if (!vma || !vma_migratable(vma)) goto out; /* FOLL_DUMP to ignore special (like zero) pages */ -- 2.23.0
