dma_alloc_coherent() allocates the DMA buffer with the device's addressing limitation in mind; the DMA core picks the zone from the device's coherent DMA mask and ignores GFP_DMA passed by the caller. Remove the redundant GFP_DMA flag. Link: https://lore.kernel.org/20260903111836.1777265-4-hebaoquan@kylinos.cn Signed-off-by: Baoquan He <hebaoquan@kylinos.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Harry Yoo <harry@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>