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4db77a74a6
freebsd-dev/module/zfs
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Brian Behlendorf 4db77a74a6 Suppress large kmem_alloc() warning 
The following warning was observed under normal operation.  It's
not fatal but it's something to be addressed long term.  Flag the
offending allocation with KM_NODEBUG to suppress the warning and
flag the call site.

SPL: Showing stack for process 21761
Pid: 21761, comm: iozone Tainted: P           ----------------
2.6.32-71.14.1.el6.x86_64 #1
Call Trace:
 [<ffffffffa05465a7>] spl_debug_dumpstack+0x27/0x40 [spl]
 [<ffffffffa054a84d>] kmem_alloc_debug+0x11d/0x130 [spl]
 [<ffffffffa05de166>] dmu_buf_hold_array_by_dnode+0xa6/0x4e0 [zfs]
 [<ffffffffa05de825>] dmu_buf_hold_array+0x65/0x90 [zfs]
 [<ffffffffa05de891>] dmu_read_uio+0x41/0xd0 [zfs]
 [<ffffffffa0654827>] zfs_read+0x147/0x470 [zfs]
 [<ffffffffa06644a2>] zpl_read_common+0x52/0x70 [zfs]
 [<ffffffffa0664503>] zpl_read+0x43/0x70 [zfs]
 [<ffffffff8116d905>] vfs_read+0xb5/0x1a0
 [<ffffffff8116da41>] sys_read+0x51/0x90
 [<ffffffff81013172>] system_call_fastpath+0x16/0x1b
2011-02-10 09:27:22 -08:00
..
arc.c Use cv_timedwait_interruptible in arc 2010-12-14 10:06:44 -08:00
bplist.c Fix gcc missing parenthesis warnings 2010-08-31 08:38:35 -07:00
bpobj.c Update to onnv_147 2010-08-26 14:24:34 -07:00
dbuf.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
ddt_zap.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
ddt.c Add linux kernel memory support 2010-08-31 13:41:57 -07:00
dmu_diff.c Update to onnv_147 2010-08-26 14:24:34 -07:00
dmu_object.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_objset.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
dmu_send.c Add linux kernel memory support 2010-08-31 13:41:57 -07:00
dmu_traverse.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_tx.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_zfetch.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu.c Suppress large kmem_alloc() warning 2011-02-10 09:27:22 -08:00
dnode_sync.c Fix dbuf eviction assertion 2010-08-31 08:38:45 -07:00
dnode.c Quiet down very frequent large allocation warning in ZFS. 2010-09-17 16:24:15 -07:00
dsl_dataset.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
dsl_deadlist.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
dsl_deleg.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dsl_dir.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dsl_pool.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
dsl_prop.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dsl_scan.c Suppress large kmem_alloc() warning. 2010-10-12 14:54:59 -07:00
dsl_synctask.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
fm.c Fix missing 'zpool events' 2010-10-12 14:55:03 -07:00
gzip.c Fix zmod.h usage in userspace 2010-08-31 08:38:46 -07:00
lzjb.c Fix stack lzjb 2010-08-31 08:38:49 -07:00
Makefile.in Add Hooks for Linux File Operations 2011-02-10 09:27:21 -08:00
metaslab.c Fix metaslab 2010-08-31 08:38:45 -07:00
refcount.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
rrwlock.c Enable rrwlock.c compilation 2010-12-07 16:05:25 -08:00
sa.c Enable zfs_znode compilation 2011-02-10 09:27:20 -08:00
sha256.c Add linux sha2 support 2010-08-31 13:41:59 -07:00
spa_boot.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_config.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
spa_errlog.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_history.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_misc.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa.c Increate zio write interrupt thread count. 2010-11-08 14:03:35 -08:00
space_map.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
txg.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
uberblock.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
unique.c Fix gcc ident pragma warnings 2010-08-27 15:34:02 -07:00
vdev_cache.c Fix stack vdev_cache_read() 2010-08-31 08:38:49 -07:00
vdev_disk.c Fix for access beyond end of device error 2010-11-10 21:29:07 -08:00
vdev_file.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
vdev_label.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
vdev_mirror.c Fix gcc c90 compliance warnings 2010-08-27 15:28:32 -07:00
vdev_missing.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
vdev_queue.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
vdev_raidz.c Fix variables named current 2010-08-31 08:38:44 -07:00
vdev_root.c Fix gcc c90 compliance warnings 2010-08-27 15:28:32 -07:00
vdev.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zap_leaf.c Fix gcc uninitialized variable warnings 2010-08-31 08:38:43 -07:00
zap_micro.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zap.c Fix rw_init() usage 2010-08-31 08:38:46 -07:00
zfs_acl.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_debug.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zfs_dir.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_fm.c Initial zio delay timing 2010-10-12 14:55:02 -07:00
zfs_fuid.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_ioctl.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_log.c Wrap with HAVE_XVATTR 2011-02-10 09:27:21 -08:00
zfs_onexit.c Add linux kernel device support 2010-08-31 13:41:50 -07:00
zfs_replay.c Wrap with HAVE_XVATTR 2011-02-10 09:27:21 -08:00
zfs_rlock.c Move cv_destroy() outside zp->z_range_lock() 2011-02-10 09:27:21 -08:00
zfs_sa.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_vfsops.c Invalidate dcache and inode cache 2011-02-10 09:27:22 -08:00
zfs_vnops.c Add mmap(2) support 2011-02-10 09:27:21 -08:00
zfs_znode.c Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zil.c Add linux kernel memory support 2010-08-31 13:41:57 -07:00
zio_checksum.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_compress.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_inject.c Update to onnv_147 2010-08-26 14:24:34 -07:00
zio.c Shorten zio_* thread names 2010-11-08 14:03:35 -08:00
zle.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zpl_file.c Add mmap(2) support 2011-02-10 09:27:21 -08:00
zpl_inode.c Add Hooks for Linux Inode Operations 2011-02-10 09:27:21 -08:00
zpl_super.c Add Hooks for Linux Super Block Operations 2011-02-10 09:27:21 -08:00
zpl_xattr.c Add Hooks for Linux Xattr Operations 2011-02-10 09:27:21 -08:00
zrlock.c Export ZFS symbols needed by Lustre. 2010-09-17 16:24:15 -07:00
zvol.c Add zp->z_is_zvol flag 2011-02-10 09:27:21 -08:00