If your on a server, I'm sorry I won't be much help.
I did try to look up this warning-
WARNING: at mm/page_alloc.c:2139 __alloc_pages_nodemask+0x7b5/0x8d0() (Not tainted)
I couldn't find anything related to it.
-:-A more experienced member running a server is your best bet.-:-
I did look this up and found that it's a command for logs.
Pid: 32158, comm: dsmserv Not tainted 2.6.32-431.5.1.el6.x86_64 #1
"Dsmserv format (number of log files)" is a command and it is used to initialize the server database and recovery log.
Running this command resets the log mode to normal mode.
And "reservation conflict" I (think) might be a start here: