freebsd stable - Apr 2018 - vmstat -m stranges

# vmstat -m|grep temp
         Type InUse MemUse HighUse Requests  Size(s)
         temp    60 18014398509481829K       - 32350974 
16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536

Is this normal?

SVN rev: r328463