mm: remove SWAP_DIRTY in ttu

[mirror_ubuntu-bionic-kernel.git] / mm / rmap.c

diff --git a/mm/rmap.c b/mm/rmap.c
index 4baf504e4213aff2cdbb5d7612c48a7ebb48fbcb..f6aa18d8a420d492b11a0ded1b0e695dfec0e3ec 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1436,7 +1436,8 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
                                 * discarded. Remap the page to page table.
                                 */
                                set_pte_at(mm, address, pvmw.pte, pteval);
-                               ret = SWAP_DIRTY;
+                               SetPageSwapBacked(page);
+                               ret = SWAP_FAIL;
                                page_vma_mapped_walk_done(&pvmw);
                                break;
                        }
@@ -1506,7 +1507,6 @@ static int page_mapcount_is_zero(struct page *page)
  * SWAP_AGAIN  - we missed a mapping, try again later
  * SWAP_FAIL   - the page is unswappable
  * SWAP_MLOCK  - page is mlocked.
- * SWAP_DIRTY  - page is dirty MADV_FREE page
  */
 int try_to_unmap(struct page *page, enum ttu_flags flags)
 {