On Tue, Oct 12, 2021 at 11:39:57AM -0700, Andrew Morton wrote: > Because I must ask: if this feature is for one single computer which > presumably has a custom kernel, why add it to mainline Linux? I think in particular patch 2 deserves to be merged because it removes a ton of cruft from every call to put_page() (at least if you're using a distro config). It makes me nervous, but I think it's the right thing to do. It may well need more fixups after it has been merged, but that's life.