1 files changed, 5 insertions, 1 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index fe4378fc0ab6..36a0a792f4f8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -478,7 +478,8 @@ void prep_compound_page(struct page *page, unsigned int order)
 
 #ifdef CONFIG_DEBUG_PAGEALLOC
 unsigned int _debug_guardpage_minorder;
-bool _debug_pagealloc_enabled __read_mostly;
+bool _debug_pagealloc_enabled __read_mostly
+                        = IS_ENABLED(CONFIG_DEBUG_PAGEALLOC_ENABLE_DEFAULT);
 bool _debug_guardpage_enabled __read_mostly;
 
 static int __init early_debug_pagealloc(char *buf)
@@ -489,6 +490,9 @@ static int __init early_debug_pagealloc(char *buf)
         if (strcmp(buf, "on") == 0)
                 _debug_pagealloc_enabled = true;
 
+        if (strcmp(buf, "off") == 0)
+                _debug_pagealloc_enabled = false;
+
         return 0;
 }
 early_param("debug_pagealloc", early_debug_pagealloc);