[Xen-devel] [PATCH RFC] Add size alignment to page allocator.

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

Hey!

Please see the two RFC patches to add in the XENMEM_exchange hypercall
another argument to get MFNs which are size aligned.

The use case is also attached - which is to provide the framework
for dma_alloc_coherent which sets certain guarantees that were not
provided by Linux Xen-SWIOTLB leading to driver corruptions.

Thanks!

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