Messages in this thread | | | From | David Howells <> | Subject | Re: [GIT PULL] iov_iter: Improve page extraction (pin or just list) | Date | Mon, 30 Jan 2023 22:12:20 +0000 |
| |
John Hubbard <jhubbard@nvidia.com> wrote:
> This is something that we say when adding pin_user_pages_fast(), > yes. I doubt that I can quickly find the email thread, but we > measured it and weren't immediately able to come up with a way > to make it faster.
percpu counters maybe - add them up at the point of viewing?
David
| |