[PATCH 2/4] drm/ttm: use NUM_PAGES_TO_ALLOC always

Roger He Hongbo.He at amd.com
Tue Nov 21 09:32:20 UTC 2017


Change-Id: Ide96a1ccad9bb44b0bb0d80e123c2d810ba618ed
Signed-off-by: Roger He <Hongbo.He at amd.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 2b83c52..27b2402 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -520,8 +520,7 @@ static int ttm_alloc_new_pages(struct list_head *pages, gfp_t gfp_flags,
 	int r = 0;
 	unsigned i, j, cpages;
 	unsigned npages = 1 << order;
-	unsigned max_cpages = min(count,
-			(unsigned)(PAGE_SIZE/sizeof(struct page *)));
+	unsigned max_cpages = min(count, (unsigned)NUM_PAGES_TO_ALLOC);
 
 	/* allocate array for page caching change */
 	caching_array = kmalloc(max_cpages*sizeof(struct page *), GFP_KERNEL);
-- 
2.7.4



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