On Mon, Oct 19, 2009 at 04:01:45PM +0200, Karol Lewandowski wrote: > On Mon, Oct 19, 2009 at 12:54:11PM +0300, Pekka Enberg wrote: > > On Mon, 2009-10-19 at 11:49 +0200, Tobi Oetiker wrote: > > > I have updated a fileserver to 2.6.31 today and I see page > > > allocation failures from several parts of the system ... mostly nfs though ... (it is a nfs server). > > > So I guess the problem must be quite generic: > > > > Yup, it almost certainly is. Does this patch help? > > > > http://lkml.org/lkml/2009/10/16/89 > > This patch seems to help in some cases. Before applying this patch I > was able to trigger alloc failures on different machine by booting > kernel with "mem=256MB" and doing: > > $ gitk on-full-tree & > # rmmod e100 > ... wait for few MBs in swap > # modprobe e100; ifup --force ethX > > So here this patch helped -- with it, I was unable to trigger page > allocation failures (testing was short, tough). However, as I said > here[1], I applied both of Mel's patches (including this one) and that > didn't help my orginal issue (failures after suspend). > > [1] http://lkml.org/lkml/2009/10/17/109 > Can you test with my kswapd patch applied and commits 373c0a7e,8aa7e847 reverted please? -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html