diff options
| -rw-r--r-- | mm/migrate.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 5308d6abd384..ac6f4939bb59 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -374,7 +374,7 @@ unlock: } #endif -static int expected_page_refs(struct page *page) +static int expected_page_refs(struct address_space *mapping, struct page *page) { int expected_count = 1; @@ -384,7 +384,7 @@ static int expected_page_refs(struct page *page) */ expected_count += is_device_private_page(page); expected_count += is_device_public_page(page); - if (page_mapping(page)) + if (mapping) expected_count += hpage_nr_pages(page) + page_has_private(page); return expected_count; @@ -405,7 +405,7 @@ int migrate_page_move_mapping(struct address_space *mapping, XA_STATE(xas, &mapping->i_pages, page_index(page)); struct zone *oldzone, *newzone; int dirty; - int expected_count = expected_page_refs(page) + extra_count; + int expected_count = expected_page_refs(mapping, page) + extra_count; if (!mapping) { /* Anonymous page without mapping */ @@ -750,7 +750,7 @@ static int __buffer_migrate_page(struct address_space *mapping, return migrate_page(mapping, newpage, page, mode); /* Check whether page does not have extra refs before we do more work */ - expected_count = expected_page_refs(page); + expected_count = expected_page_refs(mapping, page); if (page_count(page) != expected_count) return -EAGAIN; |