On Thu, Jan 4, 2018 at 9:16 AM, Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
> Suppress warning messages when allocating huge pages fails since we can
> always fall back to normal pages.
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/ttm/ttm_page_alloc_dma.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
> index 3ac53918881e..4c659405a008 100644
> --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
> +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
> @@ -333,14 +333,18 @@ static void __ttm_dma_free_page(struct dma_pool *pool, struct dma_page *d_page)
> static struct dma_page *__ttm_dma_alloc_page(struct dma_pool *pool)
> {
> struct dma_page *d_page;
> + unsigned long attrs = 0;
> void *vaddr;
>
> d_page = kmalloc(sizeof(struct dma_page), GFP_KERNEL);
> if (!d_page)
> return NULL;
>
> - vaddr = dma_alloc_coherent(pool->dev, pool->size, &d_page->dma,
> - pool->gfp_flags);
> + if (pool->type & IS_HUGE)
> + attrs = DMA_ATTR_NO_WARN;
> +
> + vaddr = dma_alloc_attrs(pool->dev, pool->size, &d_page->dma,
> + pool->gfp_flags, attrs);
> if (vaddr) {
> if (is_vmalloc_addr(vaddr))
> d_page->p = vmalloc_to_page(vaddr);
> --
> 2.11.0
>
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