K 10
svn:author
V 3
ian
K 8
svn:date
V 27
2015-10-24T02:18:14.048772Z
K 7
svn:log
V 243
Change the preallocation of a busdma segment mapping array from per-tag to
per-map.  The per-tag scheme is not safe, and a mutex can't be used to
protect it because the mapping routines can't sleep.  Code brought in
from armv6 implementation.

END