[PATCH] misc NULL noise removal

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c
index ad91528..e223b1d 100644
--- a/arch/i386/mm/pageattr.c
+++ b/arch/i386/mm/pageattr.c
@@ -224,7 +224,7 @@
 	list_replace_init(&df_list, &l);
 	spin_unlock_irq(&cpa_lock);
 	if (!cpu_has_clflush)
-		flush_map(0);
+		flush_map(NULL);
 	list_for_each_entry_safe(pg, next, &l, lru) {
 		if (cpu_has_clflush)
 			flush_map(page_address(pg));