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-rw-r--r--include/linux/mm.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 695da2a19b4c..5d22e69f51ea 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2487,7 +2487,6 @@ extern long copy_huge_page_from_user(struct page *dst_page,
#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */
extern struct page_ext_operations debug_guardpage_ops;
-extern struct page_ext_operations page_poisoning_ops;
#ifdef CONFIG_DEBUG_PAGEALLOC
extern unsigned int _debug_guardpage_minorder;