Re: [PATCH 3/4] kernel.h: Add non_block_start/end()

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On Fri, Aug 23, 2019 at 1:14 AM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue, 20 Aug 2019 22:24:40 +0200 Daniel Vetter <daniel@xxxxxxxx> wrote:
>
> > Hi Peter,
> >
> > Iirc you've been involved at least somewhat in discussing this. -mm folks
> > are a bit undecided whether these new non_block semantics are a good idea.
> > Michal Hocko still is in support, but Andrew Morton and Jason Gunthorpe
> > are less enthusiastic. Jason said he's ok with merging the hmm side of
> > this if scheduler folks ack. If not, then I'll respin with the
> > preempt_disable/enable instead like in v1.
>
> I became mollified once Michel explained the rationale.  I think it's
> OK.  It's very specific to the oom reaper and hopefully won't be used
> more widely(?).

Yeah, no plans for that from me. And I hope the comment above them now
explains why they exist, so people think twice before using it in
random places.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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