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-rw-r--r--include/linux/mmzone.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 8d6caa414c4c..c34f4a2c62f8 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -388,6 +388,11 @@ static inline struct zone *next_zone(struct zone *zone)
388#define for_each_zone(zone) \ 388#define for_each_zone(zone) \
389 for (zone = pgdat_list->node_zones; zone; zone = next_zone(zone)) 389 for (zone = pgdat_list->node_zones; zone; zone = next_zone(zone))
390 390
391static inline int populated_zone(struct zone *zone)
392{
393 return (!!zone->present_pages);
394}
395
391static inline int is_highmem_idx(int idx) 396static inline int is_highmem_idx(int idx)
392{ 397{
393 return (idx == ZONE_HIGHMEM); 398 return (idx == ZONE_HIGHMEM);