Re: [Xen-devel] Question regarding SLAB corruption

[Roland Dreier <rdreier@xxxxxxxxx>]

 > By my understanding, the infiniband driver is doing an order-6 allocation,
 > then stuffing that multi-page region into a single element of a scatterlist.
 > It is then calling dma_map_sg(), which [on Xen] calls swiotlb_map_sg(),
 > which calls map_single() on that multi-page extent. Am I misunderstanding
 > something?

Don't know about the Xen part but you are correct about the mthca
driver part.  And as far as I know it is perfectly fine to put order>0
pages into a scatterlist...

 - R.

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