sunrpc: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 593f4c6..b97a3dd 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -122,9 +122,9 @@
 {
 	char *kaddr;
 
-	kaddr = kmap_atomic(buf->pages[0], KM_USER0);
+	kaddr = kmap_atomic(buf->pages[0]);
 	kaddr[buf->page_base + len] = '\0';
-	kunmap_atomic(kaddr, KM_USER0);
+	kunmap_atomic(kaddr);
 }
 EXPORT_SYMBOL_GPL(xdr_terminate_string);
 
@@ -232,12 +232,12 @@
 		pgto_base -= copy;
 		pgfrom_base -= copy;
 
-		vto = kmap_atomic(*pgto, KM_USER0);
-		vfrom = kmap_atomic(*pgfrom, KM_USER1);
+		vto = kmap_atomic(*pgto);
+		vfrom = kmap_atomic(*pgfrom);
 		memmove(vto + pgto_base, vfrom + pgfrom_base, copy);
 		flush_dcache_page(*pgto);
-		kunmap_atomic(vfrom, KM_USER1);
-		kunmap_atomic(vto, KM_USER0);
+		kunmap_atomic(vfrom);
+		kunmap_atomic(vto);
 
 	} while ((len -= copy) != 0);
 }
@@ -267,9 +267,9 @@
 		if (copy > len)
 			copy = len;
 
-		vto = kmap_atomic(*pgto, KM_USER0);
+		vto = kmap_atomic(*pgto);
 		memcpy(vto + pgbase, p, copy);
-		kunmap_atomic(vto, KM_USER0);
+		kunmap_atomic(vto);
 
 		len -= copy;
 		if (len == 0)
@@ -311,9 +311,9 @@
 		if (copy > len)
 			copy = len;
 
-		vfrom = kmap_atomic(*pgfrom, KM_USER0);
+		vfrom = kmap_atomic(*pgfrom);
 		memcpy(p, vfrom + pgbase, copy);
-		kunmap_atomic(vfrom, KM_USER0);
+		kunmap_atomic(vfrom);
 
 		pgbase += copy;
 		if (pgbase == PAGE_CACHE_SIZE) {