On Wed, 28 Mar 2007, William Lee Irwin III wrote: > I'd also appreciate if it were mentioned who actually wrote this, given > that the patch posted was what I sent you verbatim (and actually > requested you not post for good reasons, some centering around pageattr.c).
Ughhh. Sorry I had this in there in early editions but removed the paragraph later. > The salient point from the above, which was conveniently omitted, was > "it's all dominated by PTE caching." However, even this needs some > qualification having to do with the VSZ of the parent process in fork(). > For very small processes, such as cannot be constructed with glibc due > to its massive bloat and cannot be constructed with the standard process > address space layouts due to stacks being too distant from text and > heap, PTE's actually don't substantially outnumber PMD's et al, so > there is more to this story. No that was described in the patch. Quote: "i386 only provides support for caching constructed pgd and pmds. These are comparatively rare to ptes so it is no surprise that the current approach has only minimal effect. ...." - 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/
