1 files changed, 14 insertions, 2 deletions

diff --git a/mm/vmstat.c b/mm/vmstat.c
index c6aacf51b554..7759941d4e77 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -429,7 +429,7 @@ static void fill_contig_page_info(struct zone *zone,
  * The value can be used to determine if page reclaim or compaction
  * should be used
  */
-int fragmentation_index(unsigned int order, struct contig_page_info *info)
+static int __fragmentation_index(unsigned int order, struct contig_page_info *info)
 {
         unsigned long requested = 1UL << order;
 
@@ -448,6 +448,15 @@ int fragmentation_index(unsigned int order, struct contig_page_info *info)
          */
         return 1000 - div_u64( (1000+(div_u64(info->free_pages * 1000ULL, requested))), info->free_blocks_total);
 }
+
+/* Same as __fragmentation index but allocs contig_page_info on stack */
+int fragmentation_index(struct zone *zone, unsigned int order)
+{
+        struct contig_page_info info;
+
+        fill_contig_page_info(zone, order, &info);
+        return __fragmentation_index(order, &info);
+}
 #endif
 
 #if defined(CONFIG_PROC_FS) || defined(CONFIG_COMPACTION)
@@ -771,6 +780,9 @@ static const char * const vmstat_text[] = {
         "compact_blocks_moved",
         "compact_pages_moved",
         "compact_pagemigrate_failed",
+        "compact_stall",
+        "compact_fail",
+        "compact_success",
 #endif
 
 #ifdef CONFIG_HUGETLB_PAGE
@@ -1136,7 +1148,7 @@ static void extfrag_show_print(struct seq_file *m,
                                 zone->name);
         for (order = 0; order < MAX_ORDER; ++order) {
                 fill_contig_page_info(zone, order, &info);
-                index = fragmentation_index(order, &info);
+                index = __fragmentation_index(order, &info);
                 seq_printf(m, "%d.%03d ", index / 1000, index % 1000);
         }