On 7/25/19 6:50 AM, Vincenzo Frascino wrote: > With the relaxed ABI proposed through this document, it is now possible > to pass tagged pointers to the syscalls, when these pointers are in > memory ranges obtained by an anonymous (MAP_ANONYMOUS) mmap(). I don't see a lot of description of why this restriction is necessary. What's the problem with supporting MAP_SHARED?