IO_SPACE_LIMIT    334 arch/x86/include/asm/io.h #define IO_SPACE_LIMIT 0xffff
IO_SPACE_LIMIT    267 include/asm-generic/io.h #ifndef IO_SPACE_LIMIT
IO_SPACE_LIMIT    334 include/asm-generic/io.h 	return PCI_IOBASE + (port & IO_SPACE_LIMIT);