diff options
Diffstat (limited to 'mm/util.c')
| -rw-r--r-- | mm/util.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/util.c b/mm/util.c index 6ca10015fd41..f5480eb305c7 100644 --- a/mm/util.c +++ b/mm/util.c @@ -368,9 +368,10 @@ struct address_space *page_mapping(struct page *page) } mapping = (unsigned long)page->mapping; - if (mapping & PAGE_MAPPING_FLAGS) + if ((unsigned long)mapping & PAGE_MAPPING_ANON) return NULL; - return page->mapping; + + return (void *)((unsigned long)mapping & ~PAGE_MAPPING_FLAGS); } EXPORT_SYMBOL(page_mapping); |