Re: __GFP_NOFAIL and oom_killer_disabled?

Andrew Morton
2015-02-25T21:51:45Z

On Thu, 26 Feb 2015 06:48:02 +0900 Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> wrote:

> > OK, that would change the bahavior for __GFP_NOFAIL|~__GFP_FS
> > allocations. The patch from Johannes which reverts GFP_NOFS failure mode
> > should go to stable and that should be sufficient IMO.
> >
>
> mm-page_alloc-revert-inadvertent-__gfp_fs-retry-behavior-change.patch
> fixes only ~__GFP_NOFAIL|~__GFP_FS case. I think we need David's version
> http://marc.info/?l=linux-mm&m=142489687015873&w=2 for 3.19-stable .

afacit nobody has even tested that. If we want changes made to 3.19.x
then they will need to be well tested, well changelogged and signed off.
Please.