Commit b9fd0426 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

dma-direct: respect DMA_ATTR_NO_WARN 



Respect the DMA_ATTR_NO_WARN flags for allocations in dma-direct.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarRobin 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,