dma-direct: respect DMA_ATTR_NO_WARN



Respect the DMA_ATTR_NO_WARN flags for allocations in dma-direct.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Robin Murphy <robin.murphy@arm.com>

parent 7ed1d91a

kernel/dma/direct.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -114,6 +114,9 @@ void dma_direct_alloc_pages(struct device dev, size_t size,
		u64 phys_mask;
		void *ret;

		if (attrs & DMA_ATTR_NO_WARN)
		gfp \|= __GFP_NOWARN;

		/* we always manually zero the memory once we are done: */
		gfp &= ~__GFP_ZERO;
		gfp \|= __dma_direct_optimal_gfp_mask(dev, dev->coherent_dma_mask,