Switch KM_SLEEP to KM_PUSHPAGE

[zfs.git] / module / zfs / metaslab.c

diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c
index b089f1e..d06012f 100644 (file)
--- a/module/zfs/metaslab.c
+++ b/module/zfs/metaslab.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 #include <sys/zfs_context.h>
@@ -38,7 +38,7 @@
  * avoid having to load lots of space_maps in a given txg. There are,
  * however, some cases where we want to avoid "fast" ganging and instead
  * we want to do an exhaustive search of all metaslabs on this device.
- * Currently we don't allow any gang or dump device related allocations
+ * Currently we don't allow any gang, zil, or dump device related allocations
  * to "fast" gang.
  */
 #define        CAN_FASTGANG(flags) \
@@ -102,7 +102,7 @@ metaslab_class_create(spa_t *spa, space_map_ops_t *ops)
 {
        metaslab_class_t *mc;
 
-       mc = kmem_zalloc(sizeof (metaslab_class_t), KM_SLEEP);
+       mc = kmem_zalloc(sizeof (metaslab_class_t), KM_PUSHPAGE);
 
        mc->mc_spa = spa;
        mc->mc_rotor = NULL;
@@ -217,7 +217,7 @@ metaslab_group_create(metaslab_class_t *mc, vdev_t *vd)
 {
        metaslab_group_t *mg;
 
-       mg = kmem_zalloc(sizeof (metaslab_group_t), KM_SLEEP);
+       mg = kmem_zalloc(sizeof (metaslab_group_t), KM_PUSHPAGE);
        mutex_init(&mg->mg_lock, NULL, MUTEX_DEFAULT, NULL);
        avl_create(&mg->mg_metaslab_tree, metaslab_compare,
            sizeof (metaslab_t), offsetof(struct metaslab, ms_group_node));
@@ -422,9 +422,9 @@ metaslab_pp_load(space_map_t *sm)
        space_seg_t *ss;
 
        ASSERT(sm->sm_ppd == NULL);
-       sm->sm_ppd = kmem_zalloc(64 * sizeof (uint64_t), KM_SLEEP);
+       sm->sm_ppd = kmem_zalloc(64 * sizeof (uint64_t), KM_PUSHPAGE);
 
-       sm->sm_pp_root = kmem_alloc(sizeof (avl_tree_t), KM_SLEEP);
+       sm->sm_pp_root = kmem_alloc(sizeof (avl_tree_t), KM_PUSHPAGE);
        avl_create(sm->sm_pp_root, metaslab_segsize_compare,
            sizeof (space_seg_t), offsetof(struct space_seg, ss_pp_node));
 
@@ -725,7 +725,7 @@ metaslab_init(metaslab_group_t *mg, space_map_obj_t *smo,
        vdev_t *vd = mg->mg_vd;
        metaslab_t *msp;
 
-       msp = kmem_zalloc(sizeof (metaslab_t), KM_SLEEP);
+       msp = kmem_zalloc(sizeof (metaslab_t), KM_PUSHPAGE);
        mutex_init(&msp->ms_lock, NULL, MUTEX_DEFAULT, NULL);
 
        msp->ms_smo_syncing = *smo;