From b9fd04262a8abc366f40a9e97598e94591352c26 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 24 Sep 2018 13:10:34 +0200 Subject: [PATCH] dma-direct: respect DMA_ATTR_NO_WARN Respect the DMA_ATTR_NO_WARN flags for allocations in dma-direct. Signed-off-by: Christoph Hellwig Acked-by: Robin Murphy --- kernel/dma/direct.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index a5a943836c8e..87a6bc2a96c0 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -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,