[S390] 4level-fixup cleanup

Get independent from asm-generic/4level-fixup.h

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/tlb.h b/include/asm-s390/tlb.h
index 55ae45e..618693c 100644
--- a/include/asm-s390/tlb.h
+++ b/include/asm-s390/tlb.h
@@ -121,6 +121,8 @@
 #endif
 }
 
+#define pud_free_tlb(tlb, pud)			do { } while (0)
+
 #define tlb_start_vma(tlb, vma)			do { } while (0)
 #define tlb_end_vma(tlb, vma)			do { } while (0)
 #define tlb_remove_tlb_entry(tlb, ptep, addr)	do { } while (0)