K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2008-06-25T18:11:22.385232Z
K 7
svn:log
V 215
Document spindown constraints as given in the original commit
message[1] and later clarification provided by phk.

[1] http://docs.freebsd.org/cgi/mid.cgi?200803171033.m2HAXOeN055116

Reviewed by:	brueffer, phk, ed

END