Messages in this thread |  | | Date | Mon, 25 Jan 1999 18:43:58 GMT | | From | "Stephen C. Tweedie" <> | | Subject | Re: MM deadlock [was: Re: arca-vm-8...] |
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Hi,
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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