[PATCH 41/75] hexagon: Add pmd_pfn()

[Matthew Wilcox (Oracle)]

I need to use this function in common code, so define it for hexagon.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 arch/hexagon/include/asm/pgtable.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h
index 18cd6ea9ab23..87e96463ccd6 100644
--- a/arch/hexagon/include/asm/pgtable.h
+++ b/arch/hexagon/include/asm/pgtable.h
@@ -235,10 +235,11 @@ static inline int pmd_bad(pmd_t pmd)
 	return 0;
 }
 
+#define pmd_pfn(pmd)	(pmd_val(pmd) >> PAGE_SHIFT)
 /*
  * pmd_page - converts a PMD entry to a page pointer
  */
-#define pmd_page(pmd)  (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
+#define pmd_page(pmd)  (pfn_to_page(pmd_pfn(pmd)))
 
 /**
  * pte_none - check if pte is mapped
-- 
2.34.1