Messages in this thread | | | Date | Tue, 19 Jun 2007 16:27:36 -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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Christoph Lameter wrote: > On Tue, 19 Jun 2007, Keshavamurthy, Anil S wrote: > > >> So far in our test scenario, we were unable to create >> any memory allocation failure inside dma map api calls. > > All these functions should have gfp_t flags passed to them.
why?
> Otherwise you are locked into the use of GFP_ATOMIC.
all callers pretty much are either in irq context or with spinlocks held. Good luck..... it's also called primarily from the PCI DMA API which doesn't take a gfp_t argument in the first place...
so I'm not seeing the point. - 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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