FIXMAP_PAGE_IO 52 include/asm-generic/fixmap.h #ifndef FIXMAP_PAGE_IO FIXMAP_PAGE_IO 94 include/asm-generic/fixmap.h __set_fixmap(idx, phys, FIXMAP_PAGE_IO) FIXMAP_PAGE_IO 97 include/asm-generic/fixmap.h __set_fixmap_offset(idx, phys, FIXMAP_PAGE_IO)