Messages in this thread | | | Date | Wed, 20 Jun 2007 06:03:02 -0700 | From | Arjan van de Ven <> | Subject | Re: [Intel IOMMU 06/10] Avoid memory allocation failures in dma map api calls |
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Peter Zijlstra wrote: > > > PF_MEMALLOC as is, is meant to salvage the VM from the typical VM > deadlock.
.. and this IS the typical VM deadlock.. it is your storage driver trying to write out a piece of memory on behalf of the VM, and calls the iommu to map it, which then needs a bit of memory.... - 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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