diff options
Diffstat (limited to 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 3e315a7e4c8..76abb9ad067 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -770,7 +770,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage, * File Caches may use write_page() or lock_page() in migration, then, * just care Anon page here. */ - if (PageAnon(page)) { + if (PageAnon(page) && !PageKsm(page)) { /* * Only page_lock_anon_vma() understands the subtleties of * getting a hold on an anon_vma from outside one of its mms. |