On Mon, 25 Jan 1999 10:27:30 -0800 (PST), Linus Torvalds
<torvalds@transmeta.com> said:
>> Regarding the former, is there any chance you'd consider adding a kswapd
>> wakeup when low_memory gets set in get_free_pages()? Being able to
>> respond to a burst in network traffic without locking up is not exactly
>> a minor issue.
> Note that it wouldn't ever trigger for GFP_ATOMIC allocations, so I
> suspect you haven't actually _tried_ it? For a machine that gets burst of
> network traffic with nothing else going on, adding it should essentially
> amount to a no-op.
Correct: I haven't been testing any of the networking stuff myself so it
has been a non-issue for any of my workloads here. Obviously any check
for this case would have to be outside the GFP_WAIT conditional, but it
does make sense to set low_on_memory there anyway.
--Stephen
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