[PATCH 06/16] drm: don't pass __GFP_COMP to dma_alloc_coherent in drm_pci_alloc

Christoph Hellwig hch at lst.de
Fri Jun 14 13:47:16 UTC 2019


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 at lst.de>
---
 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



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