Symbol: rd_minphys
usr/src/uts/common/io/ramdisk.c
1164
return (physio(rd_strategy, NULL, dev, B_READ, rd_minphys, uiop));
usr/src/uts/common/io/ramdisk.c
1178
return (physio(rd_strategy, NULL, dev, B_WRITE, rd_minphys, uiop));