[PATCH v6 05/13] mm: Add pud_same similar to __HAVE_ARCH_P4D_SAME

["Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx>]

This helps architectures to override pmd_same and pud_same independently.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
---
 include/linux/pgtable.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 124427ece520..0af8bc4ce258 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -699,11 +699,14 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
 {
 	return pmd_val(pmd_a) == pmd_val(pmd_b);
 }
+#endif
 
+#ifndef pud_same
 static inline int pud_same(pud_t pud_a, pud_t pud_b)
 {
 	return pud_val(pud_a) == pud_val(pud_b);
 }
+#define pud_same pud_same
 #endif
 
 #ifndef __HAVE_ARCH_P4D_SAME
-- 
2.41.0