Messages in this thread | | | From | "David S. Miller" <> | Date | Wed, 27 Jun 2001 14:26:29 -0700 (PDT) |
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MEHTA,HIREN (A-SanJose,ex1) writes: > Is there a way for a driver to ask kernel to > give DMA'able memory within 4GB ? I read about > pci_alloc_consistent(). But I could not find out > whether that guarantees the DMA'able memory to be > within 4GB or not. Is there any other kernel routine > that I should call from Driver to get such a memory ?
All of the pci_*() DMA allocation/mapping interfaces give you 32-bit PCI dma addresses.
Later, David S. Miller davem@redhat.com - 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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