From 6fa39bc1e01dab8b4f54b23e95a181a2ed5a2d38 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Michel=20D=C3=A4nzer?= Date: Fri, 8 Jun 2018 12:58:15 +0200 Subject: [PATCH] drm/amdgpu: Use kvmalloc_array for allocating VRAM manager nodes array MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit It can be quite big, and there's no need for it to be physically contiguous. This is less likely to fail under memory pressure (has actually happened while running piglit). Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 9aca653bec07..9c47e860e5e6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -135,7 +135,8 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager *man, num_nodes = DIV_ROUND_UP(mem->num_pages, pages_per_node); } - nodes = kcalloc(num_nodes, sizeof(*nodes), GFP_KERNEL); + nodes = kvmalloc_array(num_nodes, sizeof(*nodes), + GFP_KERNEL | __GFP_ZERO); if (!nodes) return -ENOMEM; @@ -190,7 +191,7 @@ error: drm_mm_remove_node(&nodes[i]); spin_unlock(&mgr->lock); - kfree(nodes); + kvfree(nodes); return r == -ENOSPC ? 0 : r; } @@ -229,7 +230,7 @@ static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man, atomic64_sub(usage, &mgr->usage); atomic64_sub(vis_usage, &mgr->vis_usage); - kfree(mem->mm_node); + kvfree(mem->mm_node); mem->mm_node = NULL; } -- 2.11.0