[PATCH 1/1] drm/ttm: Fix accounting error when fail to get pages for pool

[Christian König]

CC stable?

Reviewed-by: Christian König <christian.koenig at amd.com>

Am 16.08.2017 um 09:25 schrieb Liu, Monk:
>
> Reviewed-by: Monk Liu <monk.liu at amd.com>
>
> ------------------------------------------------------------------------
> *From:* amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of 
> Xiangliang.Yu <Xiangliang.Yu at amd.com>
> *Sent:* Wednesday, August 16, 2017 3:20:46 PM
> *To:* akpm at linux-foundation.org; labbott at redhat.com; 
> dri-devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org
> *Cc:* Yu, Xiangliang
> *Subject:* [PATCH 1/1] drm/ttm: Fix accounting error when fail to get 
> pages for pool
> When fail to get needed page for pool, need to put allocated pages
> into pool. But current code has a miscalculation of allocated pages,
> correct it.
>
> Signed-off-by: Xiangliang.Yu <Xiangliang.Yu at amd.com>
> ---
>  drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c 
> b/drivers/gpu/drm/ttm/ttm_page_alloc.c
> index eeddc1e..8715998 100644
> --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
> +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
> @@ -615,7 +615,7 @@ static void ttm_page_pool_fill_locked(struct 
> ttm_page_pool *pool,
>                  } else {
>                          pr_err("Failed to fill pool (%p)\n", pool);
>                          /* If we have any pages left put them to the 
> pool. */
> -                       list_for_each_entry(p, &pool->list, lru) {
> +                       list_for_each_entry(p, &new_pages, lru) {
>                                  ++cpages;
>                          }
>                          list_splice(&new_pages, &pool->list);
> -- 
> 2.7.4
>
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