On Wed, 2007-07-11 at 13:46 +0200, Christian Borntraeger wrote: > Am Mittwoch, 11. Juli 2007 schrieb Rusty Russell: > > There will be some internal limit on how many buffers the virtio > > implementation supports, but depends on that implementation. It could > > be a number of buffers or a total number of descriptors. > > I would suggest to implement a limit in the device driver as well. Otherwise > the network driver could allocate a huge amount of guest memory if the virtio > implementation accepts a large amount of buffers. This memory is not swappable > and reclaimable by the memory management, so we should be careful. Hi Christian, I this this would be premature, but easy enough to do later if we have such a high-limit virtio implementation. If we did do it, it would make sense to have it a variable passed into the net driver. Thanks, Rusty. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization