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SubjectRe: PROBLEM: nfs & "Warning - running *really* short on DMA buffers"
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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