[PATCH] drm/ttm: don't use compound pages for now

Christian König ckoenig.leichtzumerken at gmail.com
Mon Oct 9 15:55:03 UTC 2017


From: Christian König <christian.koenig at amd.com>

We need to figure out first how to correctly map them into the CPU page tables.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc_dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
index e5ef10d..96ad129 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
@@ -913,6 +913,7 @@ static gfp_t ttm_dma_pool_gfp_flags(struct ttm_dma_tt *ttm_dma, bool huge)
 	if (huge) {
 		gfp_flags |= GFP_TRANSHUGE;
 		gfp_flags &= ~__GFP_MOVABLE;
+		gfp_flags &= ~__GFP_COMP;
 	}
 
 	return gfp_flags;
-- 
2.7.4



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