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-rw-r--r--include/linux/mmzone.h31
1 files changed, 12 insertions, 19 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 32699b2dc52a..3d4577a3ae7e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -755,25 +755,6 @@ static inline bool pgdat_is_empty(pg_data_t *pgdat)
return !pgdat->node_start_pfn && !pgdat->node_spanned_pages;
}
-static inline int zone_id(const struct zone *zone)
-{
- struct pglist_data *pgdat = zone->zone_pgdat;
-
- return zone - pgdat->node_zones;
-}
-
-#ifdef CONFIG_ZONE_DEVICE
-static inline bool is_dev_zone(const struct zone *zone)
-{
- return zone_id(zone) == ZONE_DEVICE;
-}
-#else
-static inline bool is_dev_zone(const struct zone *zone)
-{
- return false;
-}
-#endif
-
#include <linux/memory_hotplug.h>
void build_all_zonelists(pg_data_t *pgdat);
@@ -824,6 +805,18 @@ static inline int local_memory_node(int node_id) { return node_id; };
*/
#define zone_idx(zone) ((zone) - (zone)->zone_pgdat->node_zones)
+#ifdef CONFIG_ZONE_DEVICE
+static inline bool is_dev_zone(const struct zone *zone)
+{
+ return zone_idx(zone) == ZONE_DEVICE;
+}
+#else
+static inline bool is_dev_zone(const struct zone *zone)
+{
+ return false;
+}
+#endif
+
/*
* Returns true if a zone has pages managed by the buddy allocator.
* All the reclaim decisions have to use this function rather than