Messages in this thread | | | Date | Fri, 2 Aug 2002 21:26:52 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: large page patch (fwd) (fwd) |
| |
On Fri, 2 Aug 2002, David Mosberger wrote: > > My terminology is perhaps a bit too subtle: I user "superpage" > exclusively for the case where multiple pages get coalesced into a > larger page. The "large page" ("huge page") case that you were > talking about is different, since pages never get demoted or promoted.
Ahh, ok.
> I wasn't disagreeing with your case for separate large page syscalls. > Those syscalls certainly simplify implementation and, as you point > out, it well may be the case that a transparent superpage scheme never > will be able to replace the former.
Somebody already had patches for the transparent superpage thing for alpha, which supports it. I remember seeing numbers implying that helped noticeably.
But yes, that definitely doesn't work for humongous pages (or whatever we should call the multi-megabyte-special-case-thing ;).
Linus
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |