[PATCH] mm/hugetlb: use helper function range_in_vma() in page_table_shareable()

[Miaohe Lin]

We could use helper function range_in_vma() to check whether the vma is in
the desired range to simplify the code.

Signed-off-by: Miaohe Lin <linmia...@huawei.com>
---
 mm/hugetlb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index cf82629319ed..442705be052a 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5237,7 +5237,7 @@ static unsigned long page_table_shareable(struct 
vm_area_struct *svma,
         */
        if (pmd_index(addr) != pmd_index(saddr) ||
            vm_flags != svm_flags ||
-           sbase < svma->vm_start || svma->vm_end < s_end)
+           !range_in_vma(svma, sbase, s_end))
                return 0;
 
        return saddr;
-- 
2.19.1