Messages in this thread |  | | From | "Pedro M. Rodrigues" <> | Date | Sat, 31 Aug 2002 19:22:16 +0200 | Subject | Re: PROBLEM: nfs & "Warning - running *really* short on DMA buffers" |
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Replying to myself, i found out that in kernel 2.4.20-pre5, the section responsible for the warning has a #if 0 #endif around it . This was not the case in 2.4.19 btw. I had rate limited the warning, but it's not needed.
Thanks to everybody, Pedro
On 31 Aug 2002 at 15:29, Pedro M. Rodrigues wrote:
> It doesn't seem rate limited to me, it floods the console and log > files. If i can't tune the vm settings to decrease the likelyhood of > this error message, what can i do? Is rate limiting the error message > at scsi_merge.c a good idea? > > > Thanks, > Pedro > > On 30 Aug 2002 at 9:18, Rik van Riel wrote: > > > 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/ > > > > - > > To unsubscribe from this list: send the line "unsubscribe > > linux-kernel" in the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ > > > > > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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