Disable page allocation warnings for super block

Due to the slightly increased size of the ZFS super block
caused by 30315d2 there are now allocation warnings.  The
allocation size is still small (just over 8k) and super
blocks are rarely allocated so we suppress the warning.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1101

diff --git a/module/zfs/zfs_znode.c b/module/zfs/zfs_znode.c
index 33fb008..885d224 100644 (file)
--- a/module/zfs/zfs_znode.c
+++ b/module/zfs/zfs_znode.c
@@ -1508,7 +1508,7 @@ zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *zplprops, dmu_tx_t *tx)
        rootzp->z_atime_dirty = 0;
        rootzp->z_is_sa = USE_SA(version, os);
 
-       zsb = kmem_zalloc(sizeof (zfs_sb_t), KM_PUSHPAGE);
+       zsb = kmem_zalloc(sizeof (zfs_sb_t), KM_PUSHPAGE | KM_NODEBUG);
        zsb->z_os = os;
        zsb->z_parent = zsb;
        zsb->z_version = version;