On Tue, 03 Apr 2007 17:00:09 -0400 Rik van Riel <[EMAIL PROTECTED]> wrote:
> Andrew Morton wrote: > > > Oh. I was assuming that we'd want to unmap these pages from pagetables and > > mark then super-easily-reclaimable. So a later touch would incur a minor > > fault. > > > > But you think that we should leave them mapped into pagetables so no such > > fault occurs. > > > Leaving the pages mapped into pagetables means that they are considerably > > less likely to be reclaimed. > > If we move the pages to a place where they are very likely to be > reclaimed quickly (end of the inactive list, or a separate > reclaim list) and clear the dirty and referenced lists, we can > both reclaim the page easily *and* avoid the page fault penalty. > ah, yes, you're right. That part should work nicely. - 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/