[PATCH v2 6/6] mm/hugetlb: use already exist interface huge_page_shift

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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 0cae950..750ed8a 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -320,7 +320,7 @@ 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);
 
-- 
1.7.10.4

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