On Mon, May 03, 2021 at 11:17:31AM -0700, John Hubbard wrote: > That's the thing: memory failure should be exceedingly rare for this. > Therefore, just fail out entirely (which I don't expect we'll likely > ever see), instead of doing all this weird stuff to try to continue > on if you cannot allocate a single page. If you are in that case, the > system is not in a state that is going to run your dma p2p setup well > anyway. > > I think it's *less* complexity to allocate up front, fail early if > allocation fails, and then not have to deal with these really odd > quirks at the lower levels.
Agreed. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
