LOR (vm_fault.c:286 and vm_kern.c:323)

I don't think I've seen this i386 traceback before.  Is it harmless as
well?

Kris

lock order reversal
 1st 0xc4797e74 vm object (vm object) _at_ /a/asami/portbuild/i386/src-client/sys/vm/vm_fault.c:286
 2nd 0xc082f110 system map (system map) _at_ /a/asami/portbuild/i386/src-client/sys/vm/vm_kern.c:323

db> trace
Debugger(c041242d,c082f110,c044fd31,c044fd31,c044fbb2) at Debugger+0x54
witness_lock(c082f110,8,c044fbb2,143,c028160b) at witness_lock+0x687
_mtx_lock_flags(c082f110,0,c044fbb2,143,3) at _mtx_lock_flags+0xba
_vm_map_lock(c082f0b0,c044fbb2,143,c04ad840,2b3) at _vm_map_lock+0x36
kmem_malloc(c082f0b0,1000,101,d8f38ae4,c03ad756) at kmem_malloc+0x3a
page_alloc(c083a1c0,1000,d8f38ad7,101,0) at page_alloc+0x27
slab_zalloc(c083a1c0,101,8,c0451605,673) at slab_zalloc+0xc6
uma_zone_slab(c083a1c0,101,c0451605,673,0) at uma_zone_slab+0xe8
uma_zalloc_internal(c083a1c0,0,101,6f7,0) at uma_zalloc_internal+0x4f
uma_zfree_arg(c40e19a0,d7a9e450,0,851,80000000) at uma_zfree_arg+0x2c3
swp_pager_meta_ctl(c4797e74,0,0,2,d8f38cbc) at swp_pager_meta_ctl+0x10f
swap_pager_unswapped(c0c50200,1,c0438248,b4,d8f38c54) at swap_pager_unswapped+0x2a
vm_fault(c48a1b00,284d5000,2,8,c4f7e720) at vm_fault+0x1182
trap_pfault(d8f38d48,1,284d5660,280,284d5660) at trap_pfault+0xe9
trap(2f,807002f,bfbf002f,0,28094630) at trap+0x1f3
calltrap() at calltrap+0x5
--- trap 0xc, eip = 0x284d3040, esp = 0xbfbff3bc, ebp = 0xbfbff3c4 ---
db>