Skip to content
Permalink
Browse files Browse the repository at this point in the history
drm/ttm: fix incrementing the page pointer for huge pages
When we increment the counter we need to increment the pointer as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: e16858a7e6e7 drm/ttm: fix start page for huge page check in ttm_put_pages()
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
  • Loading branch information
ChristianKoenigAMD authored and alexdeucher committed Apr 11, 2019
1 parent ac1e516 commit 4533933
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions drivers/gpu/drm/ttm/ttm_page_alloc.c
Expand Up @@ -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)
Expand Down Expand Up @@ -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)
Expand Down

0 comments on commit 4533933

Please sign in to comment.