[PATCH] balance_pdgat() cleanup

Despaghettify balance_pdgat() a bit.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 518540a..2e97baa 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1172,11 +1172,12 @@ loop_again:
                        if (!zone_watermark_ok(zone, order, zone->pages_high,
                                               0, 0)) {
                                end_zone = i;
-                               goto scan;
+                               break;
                        }
                }
-               goto out;
-scan:
+               if (i < 0)
+                       goto out;
+
                for (i = 0; i <= end_zone; i++) {
                        struct zone *zone = pgdat->node_zones + i;