> -----Original Message-----
> From: Christian König [mailto:ckoenig.leichtzumer...@gmail.com]
> Sent: Monday, April 08, 2019 9:13 PM
> To: Zhang, Jerry <jerry.zh...@amd.com>; Huang, Ray
> <ray.hu...@amd.com>; amd-gfx@lists.freedesktop.org; dri-
> de...@lists.freedesktop.org
> Subject: [PATCH 2/2] drm/ttm: fix start page for huge page check in
> ttm_put_pages()
>
> The first page entry is always the same with itself.
>
> Signed-off-by: Christian König <christian.koe...@amd.com>
Reviewed-by: Huang Rui <ray.hu...@amd.com>
> ---
> drivers/gpu/drm/ttm/ttm_page_alloc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c
> b/drivers/gpu/drm/ttm/ttm_page_alloc.c
> index f77c81db161b..c74147f0cbe3 100644
> --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
> +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
> @@ -732,7 +732,7 @@ static void ttm_put_pages(struct page **pages,
> unsigned npages, int flags, #ifdef CONFIG_TRANSPARENT_HUGEPAGE
> if (!(flags & TTM_PAGE_FLAG_DMA32) &&
> (npages - i) >= HPAGE_PMD_NR) {
> - for (j = 0; j < HPAGE_PMD_NR; ++j)
> + for (j = 1; j < HPAGE_PMD_NR; ++j)
> if (p++ != pages[i + j])
> break;
>
> @@ -767,7 +767,7 @@ static void ttm_put_pages(struct page **pages,
> unsigned npages, int flags,
> if (!p)
> break;
>
> - for (j = 0; j < HPAGE_PMD_NR; ++j)
> + for (j = 1; j < HPAGE_PMD_NR; ++j)
> if (p++ != pages[i + j])
> break;
>
> --
> 2.17.1
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