K 10
svn:author
V 7
rwatson
K 8
svn:date
V 27
2009-03-09T13:12:48.513356Z
K 7
svn:log
V 244
Use a u_int for p_lock instead of a char: this avoids a (somewhat
unlikely but not impossible given modern thread counts) wrap-around,
and the compiler was padding it out to an int (at least) anyway.

MFC after:	3 days (but confirm ABI impact)

END