[PATCH 1/3] balancenuma: put page if avoid migrating page

[Hillf Danton]

If we have to avoid migrating to a node that is nearly full, put page
and return zero.

Signed-off-by: Hillf Danton <dhi...@gmail.com>
---

--- a/mm/migrate.c      Tue Nov 27 20:09:38 2012
+++ b/mm/migrate.c      Tue Nov 27 20:15:00 2012
@@ -1538,9 +1538,11 @@ int numamigrate_isolate_page(pg_data_t *
                        mod_zone_page_state(page_zone(page),
                                        NR_ISOLATED_ANON + page_lru,
                                        HPAGE_PMD_NR);
+               return 1;
        }

-       return 1;
+       put_page(page);
+       return 0;
 }

 /*
--
--
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