memory status, after error for mpt_sas0 appeared on console

gistfile1.txt

[root@headnode (home) /var/tmp]#  echo ::memstat |  mdb -k
Page Summary                Pages                MB  %Tot
------------     ----------------  ----------------  ----
Kernel                    2239778              8749   21%
ZFS File Data              744147              2906    7%
Anon                      7057300             27567   67%
Exec and libs               97283               380    1%
Page cache                  86854               339    1%
Free (cachelist)           161660               631    2%
Free (freelist)             94140               367    1%

Total                    10481162             40942
Physical                 10481161             40942


The errors are:
2016-02-01T00:17:43.699132+00:00 headnode scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3410@9/pci15d9,400@0 (mpt_sas0):#012#011Unable to allocate dma memory for extra SGL.
2016-02-01T00:17:43.699168+00:00 headnode scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3410@9/pci15d9,400@0 (mpt_sas0):#012#011MPT SGL mem alloc failed
2016-02-01T00:17:46.199591+00:00 headnode scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3410@9/pci15d9,400@0 (mpt_sas0):#012#011Unable to allocate dma memory for extra SGL.
2016-02-01T00:17:46.199610+00:00 headnode scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3410@9/pci15d9,400@0 (mpt_sas0):#012#011MPT SGL mem alloc failed
2016-02-01T00:17:46.199619+00:00 headnode scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3410@9/pci15d9,400@0 (mpt_sas0):#012#011Unable to allocate dma memory for extra SGL.
2016-02-01T00:17:46.199626+00:00 headnode scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3410@9/pci15d9,400@0 (mpt_sas0):#012#011MPT SGL mem alloc failed