1 files changed, 2 insertions, 11 deletions

diff --git a/mm/page_ext.c b/mm/page_ext.c
index 121dcffc4ec1..88ccc044b09a 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -59,9 +59,6 @@
 
 static struct page_ext_operations *page_ext_ops[] = {
         &debug_guardpage_ops,
-#ifdef CONFIG_PAGE_POISONING
-        &page_poisoning_ops,
-#endif
 #ifdef CONFIG_PAGE_OWNER
         &page_owner_ops,
 #endif
@@ -127,15 +124,12 @@ struct page_ext *lookup_page_ext(struct page *page)
         struct page_ext *base;
 
         base = NODE_DATA(page_to_nid(page))->node_page_ext;
-#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAGE_POISONING)
+#if defined(CONFIG_DEBUG_VM)
         /*
          * The sanity checks the page allocator does upon freeing a
          * page can reach here before the page_ext arrays are
          * allocated when feeding a range of pages to the allocator
          * for the first time during bootup or memory hotplug.
-         *
-         * This check is also necessary for ensuring page poisoning
-         * works as expected when enabled
          */
         if (unlikely(!base))
                 return NULL;
@@ -204,15 +198,12 @@ struct page_ext *lookup_page_ext(struct page *page)
 {
         unsigned long pfn = page_to_pfn(page);
         struct mem_section *section = __pfn_to_section(pfn);
-#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAGE_POISONING)
+#if defined(CONFIG_DEBUG_VM)
         /*
          * The sanity checks the page allocator does upon freeing a
          * page can reach here before the page_ext arrays are
          * allocated when feeding a range of pages to the allocator
          * for the first time during bootup or memory hotplug.
-         *
-         * This check is also necessary for ensuring page poisoning
-         * works as expected when enabled
          */
         if (!section->page_ext)
                 return NULL;