Hi! > >>No, what we have is a sizeof(pointer) sized pointer > >>pointing to an > >>object of size zero. ZERO_SIZE_PTR is butt-ugly. With > >>a really ugly butt. > > > >It doesn't matter. It will never, ever, be used by > >anything except the > >kmalloc internals. No client code should ever use the > >constant for > >anything. > > Yes, I'm aware of this (I should snip less) but I still > feel it's not a good name. When I read say "a 64-bit > pointer" I immediately take that to mean a pointer of > size 64-bit, not a pointer to 64-bits and only it not > making any sense would stop me from interpreting > "ZERO_SIZE_PTR" similarly. > > Yes, it's internal but given that this is open-source > which, optimistically, is read many more times than it's > written one should still strive for code that reads nice > as far as I'm concerned. It's obviously also not hugely > important but it's just that ZERO_SIZE_PTR makes my neck > hair stand up.
PTR_TO_NOTHING? PTR_TO_0BYTES? PTR_TO_0SIZE? PTR_TO_ZERO_SIZE? NOT_QUITE_NULL? :-) FULL? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/