On Saturday 19 April 2008 05:06:34 Andrew Morton wrote: > On Sat, 19 Apr 2008 01:15:15 +1000 Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote: > > > What is the maximum numbet of pages which an unpriviliged user can > > > concurrently pin with this code? > > > > Since only root can open the tun device, it's currently OK. The old code > > kmalloced and copied: is there some mm-fu reason why pinning userspace > > memory is worse? > > We generally try to avoid it - it allows users to dos the box. My question is: is pinning a page worse than allocating a (kernel) page in some way? Cheers, Rusty. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
