K 10 svn:author V 6 mjacob K 8 svn:date V 27 2002-11-10T16:16:44.000000Z K 7 svn:log V 236 Use atomic_set_8 on the us_freelist maps as they are not otherwise protected. Furthermore, in some RISC architectures with no normal byte operations, the surrounding 3 bytes are also affected by the read-modify-write that has to occur. END