[PATCH 4/4] mm/hugetlb: use already exist interface huge_page_shift

[Wanpeng Li]

Use already exist interface huge_page_shift instead of h->order + PAGE_SHIFT.

Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
---
 mm/hugetlb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index f8feeec..b6ff0ee 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -319,7 +319,7 @@ unsigned long vma_kernel_pagesize(struct vm_area_struct *vma)
 
 	hstate = hstate_vma(vma);
 
-	return 1UL << (hstate->order + PAGE_SHIFT);
+	return 1UL << huge_page_shift(hstate);
 }
 EXPORT_SYMBOL_GPL(vma_kernel_pagesize);
 
-- 
1.8.1.2

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