Re: (reposting) how to get DMA'able memory within 4GB on 64-bit m achi ne

Jes Sorensen (jes@sunsite.dk)
28 Jun 2001 21:41:22 +0200


>>>>> "Hiren" == MEHTA,HIREN (A-SanJose,ex1) <hiren_mehta@agilent.com> writes:

Hiren> Then why do we have 64-bit dma_addr_t on ia64 ? -hiren

Because on ia64 you will get back a 64 bit pointer if you use
pci_set_dma_mask() to set a 64 bit mask before calling the pci
functions in question.

Jes
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