On Fri, Dec 01, 2017 at 08:29:53AM -0800, Dan Williams wrote: > > And maybe we should think about moving the rlimit accounting into this > > new function too someday? > > DAX pages are not accounted in any rlimit because they are statically > allocated reserved memory regions. I mean, unrelated to DAX, any user of get_user_pages_longterm should respect the memlock rlimit and that check is shared code. Jason