dma-direct: we might need GFP_DMA for 32-bit dma masks

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If there is no ZONE_DMA32 we might need GFP_DMA to be able to
allocate memory that satisfies a 32-bit DMA mask.

Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Christoph Hellwig 2019-02-13 08:01:03 +01:00 • committed by Michael Ellerman

parent 74ebe3e733

commit fbce251baa

1 changed files with 1 additions and 2 deletions

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kernel/dma/direct.c

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