[PATCH] mm/page_alloc: use NULL instead of 0 for ptr

Use NULL instead of 0 for pointer value, eliminate sparse warnings.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 490aee1..4f59d90 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1591,7 +1591,7 @@ static int __meminit __build_all_zonelists(void *dummy)
 void __meminit build_all_zonelists(void)
 {
        if (system_state == SYSTEM_BOOTING) {
-               __build_all_zonelists(0);
+               __build_all_zonelists(NULL);
                cpuset_init_current_mems_allowed();
        } else {
                /* we have to stop all cpus to guaranntee there is no user