> 1. MAP_COPY is redefined as an alias for MAP_PRIVATE, and the other > useless MAP_* flags are redefined to 0. They're also hidden from the > kernel to make sure no kernel code accidentally depends on them still. > > 2. Adds COMPAT_O55_MAP_COPY so we can stay binary compatible with any > OpenBSD 5.5 programs that still use MAP_COPY (probably none, but it's > trivial to do), and COMPAT_O55_MAP_NOOPMASK just to keep track of > which bits were previously reserved for do-nothing flags.
Yes, then we can remove the kernel support soon. We need to remember to do that.. sometimes such things live far longer than the ABI requires. I suspect the new name might hurt kdump support (grep for mmapflagsname).
