On 11/12/19 3:14 PM, Dan Williams wrote: ... >> >> Is that OK, or did you want to go further (possibly in a follow-up >> patchset, as I'm hoping to get this one in soon)? > > That looks ok. Something to maybe push down into the core in a future Great! I'll post a cleaned up v4 (with the extraneous up_read()/down_read() removed), then. > cleanup, but not something that needs to be done now. > Yes. I've put the FOLL_LONGTERM cleanup items on my list now, in case they don't get done as part of something else. There's a lot more change coming in this area. thanks, -- John Hubbard NVIDIA