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Subject[PATCH] mm/hugetlb: use helper function range_in_vma() in page_table_shareable()
Date
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 <linmiaohe@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
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