kernel vm_submap's

[Alexej Sokolov]

Hello,
Where/How can I get information about vm_submap's in the actual stable
kernel:
% uname -v
FreeBSD 7.0-RELEASE-p5 #0: Tue Oct  7 19:05:20 CEST 2008
And what kind of data is present in these submaps (mallocs, mbufs,
DMA-buffer..)?

Thanks,