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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 d9fe27c8a57e..3c10d4638646 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2306,7 +2306,6 @@ extern void copy_user_huge_page(struct page *dst, struct page *src,
#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;