Messages in this thread | | | Date | Wed, 08 Jul 2009 08:18:19 -0500 | From | Larry Finger <> | Subject | Re: [Bug #13319] Page allocation failures with b43 and p54usb |
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Pekka Enberg wrote: > > Yup, if it's not too much trouble Larry, I'd appreciate if you gave it > a spin before I apply the sucker. Note to regression trackers, I don't > think this should go to -stable because it depends on other patches in > mainline and there's an obvious workaround for the problem (disable > CONFIG_SLUB_DEBUG_ON). Furthermore, it's very unlikely people will hit > this on production configurations anyway.
Pekka,
I have been running the patch for ~24 hours with slub_debug=0 as a boot option. So far, no problems. My workload has not involved as many network operations as some times, but my memory has not fragmented. The output of 'cat /proc/buddyinfo' is as follows:
Node 0, zone DMA 8 5 5 4 5 5 5 4 3 0 1 Node 0, zone DMA32 1804 1585 3007 36 0 0 0 0 1 0 0
As might be expected, the high-order fragments are gone, but the O(1) pieces have not been depleted.
Larry
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