On Fri, Feb 5, 2021 at 12:28 AM Christian König <christian.koenig@xxxxxxx> wrote: > Am 05.02.21 um 09:06 schrieb John Stultz: > > This refactors ttm_pool_free_page(), and by adding extra entries > > to ttm_pool_page_dat, we then use it for all allocations, which > > allows us to simplify the arguments needed to be passed to > > ttm_pool_free_page(). > > This is a clear NAK since the peer page data is just a workaround for > the DMA-API hack to grab pages from there. > > Adding this to all pages would increase the memory footprint drastically. Yea, that's a good point! Hrm... bummer. I'll have to see if there's some other way I can get the needed context for the free from the generic page-pool side. Thanks so much for the review! -john