On Thu, Mar 21, 2024 at 11:40:13PM +0100, Christoph Hellwig wrote: > On Wed, Mar 20, 2024 at 10:55:36AM +0200, Leon Romanovsky wrote: > > Something like this will do the trick. > > As far as I can tell it totally misses the point. Which is not to never > return non-P2P if the flag is set, but to return either all P2P or non-P2 > P and not create a boundary in the single call. You are treating FOLL_PCI_P2PDMA as a hint, but in iov_iter_extract_user_pages() you set it only for p2p queues. I was under impression that you want only p2p pages in these queues. Anyway, I can prepare other patch that will return or p2p or non-p2p pages in one shot. Thanks
