diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 963bc27..b1a5a1f 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -187,14 +187,8 @@
 /*
  * Per-ag incore structure, copies of information in agf and agi,
  * to improve the performance of allocation group selection.
- *
- * pick sizes which fit in allocation buckets well
  */
-#if (BITS_PER_LONG == 32)
-#define XFS_PAGB_NUM_SLOTS	84
-#elif (BITS_PER_LONG == 64)
 #define XFS_PAGB_NUM_SLOTS	128
-#endif
 
 typedef struct xfs_perag {
 	struct xfs_mount *pag_mount;	/* owner filesystem */
@@ -212,8 +206,6 @@
 	__uint32_t	pagf_btreeblks;	/* # of blocks held in AGF btrees */
 	xfs_agino_t	pagi_freecount;	/* number of free inodes */
 	xfs_agino_t	pagi_count;	/* number of allocated inodes */
-	int		pagb_count;	/* pagb slots in use */
-	xfs_perag_busy_t *pagb_list;	/* unstable blocks */
 
 	/*
 	 * Inode allocation search lookup optimisation.
@@ -232,6 +224,8 @@
 	rwlock_t	pag_ici_lock;	/* incore inode lock */
 	struct radix_tree_root pag_ici_root;	/* incore inode cache root */
 #endif
+	int		pagb_count;	/* pagb slots in use */
+	xfs_perag_busy_t pagb_list[XFS_PAGB_NUM_SLOTS];	/* unstable blocks */
 } xfs_perag_t;
 
 /*