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As recommended by the doc in: Documentation/drivers-api/dmaengine/provider.rst Use GFP_NOWAIT to not deplete the emergency pool. Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> Link: https://lore.kernel.org/r/20210513192642.29446-4-granquet@baylibre.com Signed-off-by: Vinod Koul <vkoul@kernel.org>