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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.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2019-04-02 09:29:35 +02:00 committed by Alex Deucher
parent a66477b0ef
commit ac1e516d5a
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/ttm/ttm_page_alloc.c
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@ -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;