Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify

[cascardo/linux.git] / include / linux / ksm.h

diff --git a/include/linux/ksm.h b/include/linux/ksm.h
index 43bdab7..74d691e 100644 (file)
--- a/include/linux/ksm.h
+++ b/include/linux/ksm.h
@@ -78,7 +78,7 @@ static inline struct page *ksm_might_need_to_copy(struct page *page,
        struct anon_vma *anon_vma = page_anon_vma(page);
 
        if (!anon_vma ||
-           (anon_vma == vma->anon_vma &&
+           (anon_vma->root == vma->anon_vma->root &&
             page->index == linear_page_index(vma, address)))
                return page;