When we detect consecutive allocation of pages swap them to avoid accidentally freeing them as huge page. v2: use swap Signed-off-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/ttm/ttm_page_alloc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index c82d94cbbabc..b6c5148607e9 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -921,6 +921,10 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, return -ENOMEM; } + /* Swap the pages if we detect consecutive order */ + if (i && pages[i - 1] == p - 1) + swap(p, pages[i - 1]); + pages[i++] = p; --npages; } -- 2.11.0 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
