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Commit 83a88fb9 authored by Christian König's avatar Christian König Committed by Greg Kroah-Hartman
Browse files

drm/ttm: fix start page for huge page check in ttm_put_pages() 



commit ac1e516d5a4c56bf0cb4a3dfc0672f689131cfd4 upstream.

The first page entry is always the same with itself.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarMichel Dänzer <michel.daenzer@amd.com>
Reviewed-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: Zubin Mithra <zsm@chromium.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a51dfaa2

drivers/gpu/drm/ttm/ttm_page_alloc.c

+2 −2
Original line number Diff line number Diff line
@@ -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;