From mboxrd@z Thu Jan  1 00:00:00 1970
From: Grant Grundler <iod00d@hp.com>
Date: Sat, 17 May 2003 04:26:10 +0000
Subject: Re: [Linux-ia64] Re: 64 Bits DMA Addresses for Alloc Consistent Interfaces.
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On Fri, May 16, 2003 at 04:40:25PM -0700, Jeremy Higdon wrote:
> -	/* pci_alloc_consistent gives only non-DAC addresses */
> -	test_desc.addr_hi = 0;
> +	test_desc.addr_hi = ((u64) buf_dma >> 32);
>  	test_desc.addr_lo = buf_dma & 0xffffffff;

Just curious, is the "& 0xffffffff" really necessary?
I was expecting "(u32) buf_dma" to be sufficient.

grant