1 files changed, 1 insertions, 1 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2a362c52fdf4..5faf876cfc3a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -531,7 +531,7 @@ static inline void __free_one_page(struct page *page,
          * so it's less likely to be used soon and more likely to be merged
          * as a higher order page
          */
-        if ((order < MAX_ORDER-1) && pfn_valid_within(page_to_pfn(buddy))) {
+        if ((order < MAX_ORDER-2) && pfn_valid_within(page_to_pfn(buddy))) {
                 struct page *higher_page, *higher_buddy;
                 combined_idx = __find_combined_index(page_idx, order);
                 higher_page = page + combined_idx - page_idx;