mm: introduce for_each_populated_zone() macro

[safe/jmp/linux-2.6] / kernel / power / snapshot.c

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index f5fc2d7..33e2e4a 100644 (file)
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -321,13 +321,10 @@ static int create_mem_extents(struct list_head *list, gfp_t gfp_mask)
 
        INIT_LIST_HEAD(list);
 
-       for_each_zone(zone) {
+       for_each_populated_zone(zone) {
                unsigned long zone_start, zone_end;
                struct mem_extent *ext, *cur, *aux;
 
-               if (!populated_zone(zone))
-                       continue;
-
                zone_start = zone->zone_start_pfn;
                zone_end = zone->zone_start_pfn + zone->spanned_pages;
 
@@ -804,8 +801,8 @@ static unsigned int count_free_highmem_pages(void)
        struct zone *zone;
        unsigned int cnt = 0;
 
-       for_each_zone(zone)
-               if (populated_zone(zone) && is_highmem(zone))
+       for_each_populated_zone(zone)
+               if (is_highmem(zone))
                        cnt += zone_page_state(zone, NR_FREE_PAGES);
 
        return cnt;