The memory returned from dma_alloc_coherent is opaqueue to the user, thus the exact way of page refcounting shall not matter either. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- drivers/gpu/drm/drm_bufs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index b640437ce90f..7a79a16a055c 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -70,7 +70,7 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali dmah->size = size; dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, - GFP_KERNEL | __GFP_COMP); + GFP_KERNEL); if (dmah->vaddr == NULL) { kfree(dmah); -- 2.20.1