Re: [Xen-devel] [PATCH 1/9] xen: make sure swiotlb allocation isphysicallycontigious

[Jeremy Fitzhardinge]

Jan Beulich wrote:
> As pointed out before, you must not use alloc_bootmem_low...() here,
> as on large systems you may otherwise get an allocation failure (i.e. a
> panic - checking the return value is pointless). The alternative is to fix
> the bootmem allocator to no longer allocate from bottom up.

I was going to do that as a separate change so it can be argued on its 
own merits (though now that the allocation is happening in purely Xen 
code, that's less of an issue).

   J
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