On Tue, May 07, 2024 at 05:05:12PM +0100, Pavel Begunkov wrote: > > even in tree if you give them enough rope, and they should not have > > that rope when the only sensible options are page/folio based kernel > > memory (incuding large/huge folios) and dmabuf. > > I believe there is at least one deep confusion here, considering you > previously mentioned Keith's pre-mapping patches. The "hooks" are not > that about in what format you pass memory, it's arguably the least > interesting part for page pool, more or less it'd circulate whatever > is given. It's more of how to have a better control over buffer lifetime > and implement a buffer pool passing data to users and empty buffers > back. Isn't that more or less exactly what dmabuf is? Why do you need another almost dma-buf thing for another project? Jason
