On Thu, 13 Dec 2007 21:09:59 +0100 Jens Axboe <jens.axboe@xxxxxxxxxx> wrote: > > OK, it's a vm issue, cc linux-mm and probable culprit. > I have tens of thousand "backward" pages after a > boot - IOW, bvec->bv_page is the page before bvprv->bv_page, not > reverse. So it looks like that bug got reintroduced. Bill Irwin fixed this a couple of years back: changed the page allocator so that it mostly hands out pages in ascending physical-address order. I guess we broke that, quite possibly in Mel's page allocator rework. It would help if you could provide us with a simple recipe for demonstrating this problem, please. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html