[PATCH] drm/ttm: use compound pages for THP

[David Stevens]

Compound page metadata is necessary for page reference counting to work
properly on pages besides the head page. Without it, put_page
corresponding to the last outstanding get_page call on a tail page will
end up freeing that page, even if the bo still references the page.

Signed-off-by: David Stevens <stevensd at chromium.org>
---
 drivers/gpu/drm/ttm/ttm_pool.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c
index 7b2f60616750..09239b93dc2c 100644
--- a/drivers/gpu/drm/ttm/ttm_pool.c
+++ b/drivers/gpu/drm/ttm/ttm_pool.c
@@ -83,7 +83,6 @@ static struct page *ttm_pool_alloc_page(struct ttm_pool *pool, gfp_t gfp_flags,
 		gfp_flags |= GFP_TRANSHUGE_LIGHT | __GFP_NORETRY |
 			__GFP_KSWAPD_RECLAIM;
 		gfp_flags &= ~__GFP_MOVABLE;
-		gfp_flags &= ~__GFP_COMP;
 	}
 
 	if (!pool->use_dma_alloc) {
-- 
2.30.0.284.gd98b1dd5eaa7-goog