mm: numa: make NUMA-migrate related functions static

numamigrate_update_ratelimit and numamigrate_isolate_page only have
callers in mm/migrate.c.  This patch makes them static.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Alex Thorlton <athorlton@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/mm/migrate.c b/mm/migrate.c
index 11d89dc0574c..41eba21f10ba 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1599,7 +1599,8 @@ bool migrate_ratelimited(int node)
 }
 
 /* Returns true if the node is migrate rate-limited after the update */
-bool numamigrate_update_ratelimit(pg_data_t *pgdat, unsigned long nr_pages)
+static bool numamigrate_update_ratelimit(pg_data_t *pgdat,
+                                        unsigned long nr_pages)
 {
         bool rate_limited = false;
 
@@ -1623,7 +1624,7 @@ bool numamigrate_update_ratelimit(pg_data_t *pgdat, unsigned long nr_pages)
         return rate_limited;
 }
 
-int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page)
+static int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page)
 {
         int page_lru;