On Thu, 27 Dec 2018 14:11:14 +0300 "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx> wrote: > On Mon, Dec 24, 2018 at 10:17:31AM +0100, Michal Hocko wrote: > > On Mon 24-12-18 01:05:57, David Rientjes wrote: > > [...] > > > I'm not interested in having a 100 email thread about this when a clear > > > and simple fix exists that actually doesn't break user code. > > > > You are breaking everybody who really wants to query MADV_NOHUGEPAGE > > status by this flag. Is there anybody doing that? > > Yes. > > https://github.com/checkpoint-restore/criu/blob/v3.11/criu/proc_parse.c#L143 Ugh. So the regression fix causes a regression?