diff options
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 450f5241b5a5..1fc559e09ca8 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -298,7 +298,11 @@ static int page_referenced_one(struct page *page, if (ptep_clear_flush_young(vma, address, pte)) referenced++; - if (mm != current->mm && !ignore_token && has_swap_token(mm)) + /* Pretend the page is referenced if the task has the + swap token and is in the middle of a page fault. */ + if (mm != current->mm && !ignore_token && + has_swap_token(mm) && + rwsem_is_locked(&mm->mmap_sem)) referenced++; (*mapcount)--; |