What is the meaning of message "WARNING: at mm/page_alloc.c:2048 __alloc_pages_nodemask+0x8d9/0x940()" ?

Issue

• When doing backup work in TSM we got the following WARNING messages, is it something to be concerned of ?

:WARNING: at mm/page_alloc.c:2048 __alloc_pages_nodemask+0x8d9/0x940() (Not tainted)
:Hardware name: System x3850 X5 -[7143FT1]-
:Modules linked in: mmfs26(U) mmfslinux(U) tracedev(U) lin_tape(U) sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf bonding 8021q garp stp llc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa vfat fat dm_round_robin dm_multipath microcode serio_raw mlx4_ib ib_mad ib_core mlx4_en mlx4_core i2c_i801 i2c_core cdc_ether usbnet mii iTCO_wdt iTCO_vendor_support shpchp ioatdma dca i7core_edac edac_core be2net osst sg bnx2 ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif lpfc pata_acpi ata_generic ata_piix megaraid_sas qla2xxx scsi_transport_fc scsi_tgt dm_mirror dm_region_hash dm_log dm_mod [last unloaded: tracedev]
:Pid: 25950, comm: dsmserv Not tainted 2.6.32-279.el6.x86_64 #1
:Call Trace:
:[<ffffffff8106b747>] ? warn_slowpath_common+0x87/0xc0
:[<ffffffff8106b79a>] ? warn_slowpath_null+0x1a/0x20
:[<ffffffff811276f9>] ? __alloc_pages_nodemask+0x8d9/0x940
:[<ffffffffa050a1ba>] ? tape_execute_scsi_command+0x4a/0xc0 [lin_tape]
:[<ffffffff8115c1da>] ? alloc_pages_current+0xaa/0x110
:[<ffffffff811253ce>] ? __get_free_pages+0xe/0x50
:[<ffffffffa050d478>] ? erp_read_buffer+0x268/0x5e0 [lin_tape]
:[<ffffffffa050a101>] ? lin_tape_blk_rq+0x571/0x5e0 [lin_tape]
:[<ffffffffa050e9b7>] ? tape_send_erp_cmd+0x1b7/0x3f0 [lin_tape]
:[<ffffffffa050f75d>] ? read_dump+0x3d/0x180 [lin_tape]
:[<ffffffffa050fba8>] ? tape_check_simmim_dump_logsense+0x58/0x70 [lin_tape]
:[<ffffffffa050fc86>] ? tape_send_scsi_cmd+0xc6/0x2c0 [lin_tape]
:[<ffffffffa05131e0>] ? tape_rewind+0xd0/0x170 [lin_tape]
:[<ffffffffa04fcae8>] ? lin_tape_flush+0xc8/0x280 [lin_tape]
:[<ffffffffa04fd4f9>] ? lin_tape_drive_close+0xc9/0x340 [lin_tape]
:[<ffffffffa04f1c69>] ? lin_tape_close_drive+0x149/0x440 [lin_tape]
:[<ffffffffa04f1fe2>] ? lin_tape_close+0x82/0x110 [lin_tape]
:[<ffffffff8117c935>] ? __fput+0xf5/0x210
:[<ffffffff8117ca75>] ? fput+0x25/0x30
:[<ffffffff8117849d>] ? filp_close+0x5d/0x90
:[<ffffffff81178575>] ? sys_close+0xa5/0x100
:[<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b