On Tue 17-12-19 23:36:09, John Hubbard wrote: [...] > diff --git a/man2/move_pages.2 b/man2/move_pages.2 > index 2d96468fa..1bf1053f2 100644 > --- a/man2/move_pages.2 > +++ b/man2/move_pages.2 > @@ -191,12 +191,6 @@ was specified or an attempt was made to migrate pages of a kernel thread. > .B ENODEV > One of the target nodes is not online. > .TP > -.B ENOENT > -No pages were found that require moving. > -All pages are either already > -on the target node, not present, had an invalid address or could not be > -moved because they were mapped by multiple processes. > -.TP > .B EPERM > The caller specified > .B MPOL_MF_MOVE_ALL > > ...But I'm not sure if we should change the implementation, instead, so > that it *can* return ENOENT. That's the main question to resolve before > creating any more patches, I think. I would start by dropping any note about ENOENT first. I am not really sure there is a reasonable usecase for it but maybe somebody comes up with something and only then we should consider it. Feel free to add Acked-by: Michal Hocko <mhocko@xxxxxxxx> ideally with a kernel commit which removed the ENOENT. -- Michal Hocko SUSE Labs
