diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-01-25 09:16:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-25 09:16:14 +0100 |
| commit | 2b45e0f9f34f718725e093f4e335600811d7105a (patch) | |
| tree | 3c6d594539eb16fc955906da65b9fa7aacbc9145 /mm | |
| parent | a85eba8814631d0d48361c8b9a7ee0984e80c03c (diff) | |
| parent | 15c81026204da897a05424c79263aea861a782cc (diff) | |
Merge branch 'linus' into x86/urgent
Merge in the x86 changes to apply a fix.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/util.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/util.c b/mm/util.c index f7bc2096071c..808f375648e7 100644 --- a/mm/util.c +++ b/mm/util.c @@ -390,7 +390,10 @@ struct address_space *page_mapping(struct page *page) { struct address_space *mapping = page->mapping; - VM_BUG_ON(PageSlab(page)); + /* This happens if someone calls flush_dcache_page on slab page */ + if (unlikely(PageSlab(page))) + return NULL; + if (unlikely(PageSwapCache(page))) { swp_entry_t entry; |