Messages in this thread | | | Subject | Re: [PATCH] move_pages.2: remove ENOENT from the list of possible return values | From | "Michael Kerrisk (man-pages)" <> | Date | Mon, 30 Dec 2019 19:55:00 +0100 |
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Hello John,
On 12/19/19 6:13 AM, John Hubbard wrote: > Linux kernel commit e78bbfa82624 ("mm: stop returning -ENOENT from > sys_move_pages() if nothing got migrated") had the effect of *never* > returning -ENOENT, in any situation. So we need to update the man page > to reflect that ENOENT is not a possible return value. > > Acked-by: Michal Hocko <mhocko@suse.com> > Cc: Brice Goglin <Brice.Goglin@inria.fr> > Cc: Yang Shi <yang.shi@linux.alibaba.com> > Cc: Christoph Lameter <cl@linux.com> > Signed-off-by: John Hubbard <jhubbard@nvidia.com> > --- > > Hi, > > This fix for the man page was ACK'd by Michal, here: > > https://lore.kernel.org/r/20191218101711.GB21485@dhcp22.suse.cz
Thanks. Patch applied.
Cheers,
Michael
> man2/move_pages.2 | 6 ------ > 1 file changed, 6 deletions(-) > > 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 >
-- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
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