Messages in this thread | | | Date | Fri, 30 Aug 2002 09:18:17 -0300 (BRT) | From | Rik van Riel <> | Subject | Re: PROBLEM: nfs & "Warning - running *really* short on DMA buffers" |
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On Fri, 30 Aug 2002, Pedro M. Rodrigues wrote:
> I do wan't to tune the vm settings, these warnings may not be > fatal but it's not pretty to have hundreds of those in the console > and log files. Bear with me on this one, but i remember doing exactly > that in the past, tuning /proc/sys/vm/freepages. How does one > acomplish that nowadays? I looked at the kernel source documentation > and still found references to freepages, but vm/freepages doesn't > exist anymore. Kernel is 2.4.18-10 from Redhat.
For fundamental reasons it's always possible for non-sleeping allocations to fail. I think this warning just needs to be rate-limited, if it isn't already ...
OTOH, failed allocations could serve as a hint for kswapd to try to keep more memory free. I should look into that for some next version.
regards,
Rik -- Bravely reimplemented by the knights who say "NIH".
http://www.surriel.com/ http://distro.conectiva.com/
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