On Mon, 19 Mar 2007 16:57:55 -0700 (PDT) Christoph Lameter <[EMAIL PROTECTED]> wrote:
> On Mon, 19 Mar 2007, Andrew Morton wrote: > > > Has it been proven that quicklists are superior to simply going direct to > > the > > page allocator for these pages? > > Yes. Sigh. Please provide proof that quicklists are superior to simply going direct to the page allocator for these pages. > > Would it provide a superior solution if we were to a) stop zeroing out the > > pte's when doing a fullmm==1 teardown and b) go direct to the page allocator > > for these pages? > > I doubt it. The zeroing is a by product of our way of serializing pte > handling. Its going to be difficult to change that. Nick didn't think so, and I don't see the problem either. We'll save on some bus traffic by avoiding the writeback, but how much effect that will have we don't know. Presumably little. - 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/
