On Thu, Oct 31, 2024 at 01:58:37PM -0700, Bart Van Assche wrote: > On 10/27/24 7:21 AM, Leon Romanovsky wrote: >> + /* >> + * When doing ZONE_DEVICE-based P2P transfers, all pages in a >> + * bio must be P2P pages from the same device. >> + */ >> + if ((bio->bi_opf & REQ_P2PDMA) && >> + !zone_device_pages_have_same_pgmap(bv->bv_page, page)) >> + return 0; > > It's probably too late to change the "zone_device_" prefix into > something that cannot be confused with a reference to zoned block > devices? It's too late and also wrong and also entirely out of scope for this series.