On Tue, Mar 19, 2019 at 12:24:00PM -0700, John Hubbard wrote: > So, I could be persuaded either way. But given the lack of an visible perf > effects, and given that this could will get removed anyway because we'll > likely end up with set_page_dirty() called at GUP time instead...it seems > like it's probably OK to just leave it as is. Apart from ugly code generated, other argument might be Spectre-like attacks on these call. I would rather avoid indirect function calls whenever possible. And I don't think opencodded versions of these functions would look much worse. -- Kirill A. Shutemov