On Tue, 24 Apr 2018, Christoph Hellwig wrote: > On Tue, Apr 24, 2018 at 11:54:26PM -0700, David Rientjes wrote: > > Shouldn't that test for dev->coherent_dma_mask < DMA_BIT_MASK(32) be more > > accurately <=? > > No, it should really be <. The exactly 32-bit case is already covered > with GFP_DMA32. Eventualy it should be < 24-bit with a separate > GFP_DMA32 case for > 32-bit && < 64-bit. Takashi has been working on > that, but it is 4.18 material. >
Ack, thanks.
