Re: How to handle TIF_MEMDIE stalls?

Tetsuo Handa
2015-02-18T14:06:27Z

Michal Hocko wrote:
> Tetsuo Handa wrote:
> > Michal Hocko wrote:
> > > Because they cannot perform any IO/FS transactions and that would lead
> > > to a premature OOM conditions way too easily. OOM killer is a _last
> > > resort_ reclaim opportunity not something that would happen just because
> > > you happen to be not able to flush dirty pages.
> >
> > But you should not have applied such change without making necessary
> > changes to GFP_NOFS / GFP_NOIO users with such expectation and testing
> > at linux-next.git . Applying such change after 3.19-rc6 is a sucker punch.
>
> This is a nonsense. OOM was disbaled for !__GFP_FS for ages (since
> before git era).
>
Then, at least I expect that filesystem error actions will not be taken so
trivially. Can we apply http://marc.info/?l=linux-mm&m=142418465615672&w=2 for
Linux 3.19-stable?