On Thu, 2010-08-19 at 09:22 -0500, Michael Hennebry wrote: > On Thu, 19 Aug 2010, Gregory Hosler wrote: > > > If the memory gets fragged and the kernel wants to defrag, e.g. for a memory > > request from an application, in order to defrag any "dirty" data portions (those > > pages that have been written to), the kernel *requires* there to be swap. > > Otherwise there is no place to write the dirty pages out, in order to read them > > in elsewhere. > > I didn't realize that memory could get fragged. > I'd thought that one reason for virtual memory > was allowing pages to be renumbered at will, > the kernel's will, of course. I thought so too, but see: http://lwn.net/Articles/211505/ poc -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
