release_region 29 include/asm-m68k/sun3xflop.h #undef release_region release_region 31 include/asm-m68k/sun3xflop.h #define release_region(X, Y) do { } while(0) release_region 140 include/linux/ioport.h #define release_region(start,n) __release_region(&ioport_resource, (start), (n))