Andi Kleen <[email protected]> wrote:
>
> > I was thinking that your __GFP_NOOOM was a thinko. How would it differ
> > from __GFP_NORETRY?
>
> __GFP_NORETRY seems to skip at least one retry pass as far as I can see.
> __GFP_NOOOM wouldn't. But perhaps the additional pass only makes sense
> with oom killing? I'm not sure - that is why i was asking.
>
Oh, OK. That final get_page_from_freelist() is allegedly to see if a
parallel oom-killing freed some pages - we already know that
try_to_free_pages() didn't work.
I rather doubt that it'll make any difference.
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