[v2,10/16] mm: Add __HAVE_ARCH_PUD_SAME similar to __HAVE_ARCH_P4D_SAME

Commit Message

Aneesh Kumar K.V June 16, 2023, 11:08 a.m. UTC

This helps architectures to override pmd_same and pud_same independently.

Signed-off-by: Aneesh Kumar K.V <[e-mail]>
---
 include/linux/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 2fe19720075e..8c5174d1f9db 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -681,7 +681,9 @@  static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
 {
 	return pmd_val(pmd_a) == pmd_val(pmd_b);
 }
+#endif
 
+#ifndef __HAVE_ARCH_PUD_SAME
 static inline int pud_same(pud_t pud_a, pud_t pud_b)
 {
 	return pud_val(pud_a) == pud_val(pud_b);