3 files changed, 5 insertions, 12 deletions

diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 963bc2700bf7..b1a5a1ff88ea 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -187,14 +187,8 @@ typedef struct xfs_perag_busy {
 /*
  * 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 @@ typedef struct xfs_perag {
         __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 @@ typedef struct xfs_perag {
         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;
 
 /*
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 4d66bb75579c..8aa181d6dd7d 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -2200,8 +2200,8 @@ xfs_alloc_read_agf(
                 pag->pagf_levels[XFS_BTNUM_CNTi] =
                         be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]);
                 spin_lock_init(&pag->pagb_lock);
-                pag->pagb_list = kmem_zalloc(XFS_PAGB_NUM_SLOTS *
-                                        sizeof(xfs_perag_busy_t), KM_SLEEP);
+                pag->pagb_count = 0;
+                memset(pag->pagb_list, 0, sizeof(pag->pagb_list));
                 pag->pagf_init = 1;
         }
 #ifdef DEBUG
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index be643e588067..0df5045abd3b 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -247,10 +247,9 @@ xfs_free_perag(
         for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) {
                 spin_lock(&mp->m_perag_lock);
                 pag = radix_tree_delete(&mp->m_perag_tree, agno);
+                ASSERT(pag);
                 ASSERT(atomic_read(&pag->pag_ref) == 0);
                 spin_unlock(&mp->m_perag_lock);
-                ASSERT(pag);
-                kmem_free(pag->pagb_list);
                 kmem_free(pag);
         }
 }