On Wed, Apr 04, 2007 at 08:35:30AM -0700, Linus Torvalds wrote: > Anyway, I'm not against this, but I can see somebody actually *wanting* > the ZERO page in some cases. I've used the fact for TLB testing, for > example, by just doing a big malloc(), and knowing that the kernel will > re-use the ZERO_PAGE so that I don't get any cache effects (well, at least > not any *physical* cache effects. Virtually indexed cached will still show > effects of it, of course, but I haven't cared).
Ok, those cases wanting the same zero page, could be fairly easily converted to an mmap over /dev/zero (without having to run 4k large mmap syscalls or nonlinear). - 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/
