Messages in this thread | | | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: ipw2200: firmware DMA loading rework | Date | Sun, 30 Aug 2009 14:37:42 +0200 |
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On Friday 28 August 2009 05:42:31 Zhu Yi wrote: > Bartlomiej Zolnierkiewicz reported an atomic order-6 allocation failure > for ipw2200 firmware loading in kernel 2.6.30. High order allocation is
s/2.6.30/2.6.31-rc6/
The issue has always been there but it was some recent change that explicitly triggered the allocation failures (after 2.6.31-rc1).
> likely to fail and should always be avoided. > > The patch fixes this problem by replacing the original order-6 > pci_alloc_consistent() with an array of order-1 pages from a pci pool. > This utilized the ipw2200 DMA command blocks (up to 64 slots). The > maximum firmware size support remains the same (64*8K). > > This patch fixes bug http://bugzilla.kernel.org/show_bug.cgi?id=14016 > > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Mel Gorman <mel@csn.ul.ie> > Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Thanks for the fix (also kudos to other people helping with the bugreport), it works fine so far and looks OK to me:
Tested-and-reviewed-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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