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SubjectRe: SLAB vs. pci_alloc_xxx in usb-uhci patch [RFC: API]

David Brownell writes:
> > Do lots of drivers need the reverse mapping? It wasn't on my todo list
> > yet.
> Some hardware (like OHCI) talks to drivers using those dma handles.

Drivers for such hardware will this keep track of the information
necessary to make this reverse mapping.

David S. Miller
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