On 2019-04-10 11:45 a.m., Christian König wrote:
> When we increment the counter we need to increment the pointer as well.
>
> Signed-off-by: Christian König <christian.koe...@amd.com>
> Fixes: e16858a7e6e7 drm/ttm: fix start page for huge page check in
> ttm_put_pages()
> ---
> 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 c74147f0cbe3..627f8dc91d0e 100644
> --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
> +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
> @@ -733,7 +733,7 @@ static void ttm_put_pages(struct page **pages, unsigned
> npages, int flags,
> if (!(flags & TTM_PAGE_FLAG_DMA32) &&
> (npages - i) >= HPAGE_PMD_NR) {
> for (j = 1; j < HPAGE_PMD_NR; ++j)
> - if (p++ != pages[i + j])
> + if (++p != pages[i + j])
> break;
>
> if (j == HPAGE_PMD_NR)
> @@ -768,7 +768,7 @@ static void ttm_put_pages(struct page **pages, unsigned
> npages, int flags,
> break;
>
> for (j = 1; j < HPAGE_PMD_NR; ++j)
> - if (p++ != pages[i + j])
> + if (++p != pages[i + j])
> break;
>
> if (j != HPAGE_PMD_NR)
>
Reviewed-by: Michel Dänzer <michel.daen...@amd.com>
--
Earthling Michel Dänzer | https://www.amd.com
Libre software enthusiast | Mesa and X developer
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