Messages in this thread | | | Date | Tue, 10 Apr 2018 20:10:20 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH] swiotlb: Fix unexpected swiotlb_alloc_coherent() failures |
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On Tue, Apr 10, 2018 at 06:50:04PM +0100, Robin Murphy wrote: > In the first one, the machine appears to have enough RAM that most of it is > beyond the device's 36-bit DMA mask, thus it's fairly likely for the > initial direct alloc to come back with something unsuitable.
But we should try a GFP_DMA32 allocation first, so this is a bit surprising.
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