diff options
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_page_alloc.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index 95022473704b..4d688c8d7853 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -733,22 +733,33 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags, /* No pool for this memory type so free the pages */ i = 0; while (i < npages) { - unsigned order; +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + struct page *p = pages[i]; +#endif + unsigned order = 0, j; if (!pages[i]) { ++i; continue; } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + for (j = 0; j < HPAGE_PMD_NR; ++j) + if (p++ != pages[i + j]) + break; + + if (j == HPAGE_PMD_NR) + order = HPAGE_PMD_ORDER; +#endif + if (page_count(pages[i]) != 1) pr_err("Erroneous page count. Leaking pages.\n"); - order = compound_order(pages[i]); __free_pages(pages[i], order); - order = 1 << order; - while (order) { + j = 1 << order; + while (j) { pages[i++] = NULL; - --order; + --j; } } return; |