Messages in this thread | | | From | David Brownell <> | Subject | Re: [PATCH 001/002] linux-input: bcm5974-0.31: fixed resource leak, removed work struct, device data struct introduced | Date | Tue, 1 Jul 2008 20:04:16 -0700 |
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On Tuesday 01 July 2008, Andrew Morton wrote: > I dunno what USB driver normally use for their dma memory. Perhaps > dma_alloc_coherent()?
kmalloc() as a rule ... dma_alloc_coherent() only makes sense if the buffer gets reused enough that the dma mapping ops (or as I think of them, cache maintainence ops) really hurt.
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