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Subject[PATCH] mm/hugetlb: use helper huge_page_size() to simplify the hugetlb_vm_op_pagesize()
Date
We can use helper huge_page_size() to get the size of the pages allocated
when backing a VMA directly to make the code more simplified.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/hugetlb.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 18628f8dbfb0..3eea2a34d9f5 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3647,9 +3647,7 @@ static int hugetlb_vm_op_split(struct vm_area_struct *vma, unsigned long addr)

static unsigned long hugetlb_vm_op_pagesize(struct vm_area_struct *vma)
{
- struct hstate *hstate = hstate_vma(vma);
-
- return 1UL << huge_page_shift(hstate);
+ return huge_page_size(hstate_vma(vma));
}

/*
--
2.19.1
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