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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-01-30 12:56:51 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-01-30 12:56:51 +0100 |
| commit | e515b47e5646154448e46231d811919d93923da5 (patch) | |
| tree | 1b10297d37170a1e00b4f2211f4296c2b0020f8d /mm/util.c | |
| parent | c2c1d4912cd7028384d7f25d2faefefb8958f64d (diff) | |
| parent | ef64cf9d06049e4e9df661f3be60b217e476bee1 (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Backmerge drm-next - I need to backmerge drm-intel-fixes patches
touching the error capture code to be able to merge Ben's cleanup
patches.
Conflicts:
drivers/gpu/drm/i915/i915_gpu_error.c
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'mm/util.c')
| -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 f7bc2096071..808f375648e 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; |