PA: Move in nactive counter.

include/jemalloc/internal/arena_structs.h

@@ -67,13 +67,6 @@ struct arena_s {
 	 */
 	atomic_u_t		dss_prec;
 
-	/*
-	 * Number of pages in active extents.
-	 *
-	 * Synchronization: atomic.
-	 */
-	atomic_zu_t		nactive;
-
 	/*
 	 * Extant large allocations.
 	 *

include/jemalloc/internal/pa.h

@@ -73,6 +73,13 @@ struct pa_shard_stats_s {
  */
 typedef struct pa_shard_s pa_shard_t;
 struct pa_shard_s {
+	/*
+	 * Number of pages in active extents.
+	 *
+	 * Synchronization: atomic.
+	 */
+	atomic_zu_t nactive;
+
 	/*
 	 * Collections of extents that were previously allocated.  These are
 	 * used when allocating extents, in an attempt to re-use address space.