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From: "David S. Miller" <davem@redhat.com>
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Date: Fri, 9 Mar 2001 12:00:45 -0800 (PST)
To: Pete Zaitcev <zaitcev@redhat.com>
Cc: David Brownell <david-b@pacbell.net>,
        Manfred Spraul <manfred@colorfullife.com>,
        Russell King <rmk@arm.linux.org.uk>,
        linux-usb-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: SLAB vs. pci_alloc_xxx in usb-uhci patch [RFC: API]
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Pete Zaitcev writes:
 > > Some hardware (like OHCI) talks to drivers using those dma handles.
 > 
 > I wonder if it may be feasible to allocate a bunch of contiguous
 > pages. Then, whenever the hardware returns a bus address, subtract
 > the remembered bus address of the zone start, add the offset to
 > the virtual and voila.

Thankfully, some people are not lazy :-)

Later,
David S. Miller
davem@redhat.com
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