diff options
Diffstat (limited to 'mm/rmap.c')
-rw-r--r-- | mm/rmap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 83325b80142b..b2e29acd7e3d 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1405,8 +1405,12 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount, pteval = ptep_clear_flush(vma, address, pte); /* If nonlinear, store the file page offset in the pte. */ - if (page->index != linear_page_index(vma, address)) - set_pte_at(mm, address, pte, pgoff_to_pte(page->index)); + if (page->index != linear_page_index(vma, address)) { + pte_t ptfile = pgoff_to_pte(page->index); + if (pte_soft_dirty(pteval)) + pte_file_mksoft_dirty(ptfile); + set_pte_at(mm, address, pte, ptfile); + } /* Move the dirty bit to the physical page now the pte is gone. */ if (pte_dirty(pteval)) |