diff options
| author | Brian Behlendorf <[email protected]> | 2011-02-07 12:21:29 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2011-02-10 09:27:22 -0800 |
| commit | 4db77a74a6a26c57a04f98c4a23b9fda9319ba9f (patch) | |
| tree | 07c19dbdacc36a791799308f7837a9015f0da600 | |
| parent | f44b46a632d5b332d993faaeb16fe30650619803 (diff) | |
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
| -rw-r--r-- | module/zfs/dmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c index ede0d0517..04b02c7d2 100644 --- a/module/zfs/dmu.c +++ b/module/zfs/dmu.c @@ -381,7 +381,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length, } nblks = 1; } - dbp = kmem_zalloc(sizeof (dmu_buf_t *) * nblks, KM_SLEEP); + dbp = kmem_zalloc(sizeof (dmu_buf_t *) * nblks, KM_SLEEP | KM_NODEBUG); if (dn->dn_objset->os_dsl_dataset) dp = dn->dn_objset->os_dsl_dataset->ds_dir->dd_pool; |