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

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 4f9eb0b..c97087d 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -498,7 +498,7 @@
 		if (map_coherent)
 			vaddr = kmap_coherent(page, addr);
 		else
-			vaddr = kmap_atomic(page, KM_USER0);
+			vaddr = kmap_atomic(page);
 		addr = (unsigned long)vaddr;
 	}
 
@@ -521,7 +521,7 @@
 		if (map_coherent)
 			kunmap_coherent();
 		else
-			kunmap_atomic(vaddr, KM_USER0);
+			kunmap_atomic(vaddr);
 	}
 }