1 files changed, 5 insertions, 1 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 9acb413858ac..b9f37cb0f2e6 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2558,8 +2558,12 @@ size_t ksize(const void *object)
         if (unlikely(object == ZERO_SIZE_PTR))
                 return 0;
 
-        page = get_object_page(object);
+        page = virt_to_head_page(object);
         BUG_ON(!page);
+
+        if (unlikely(!PageSlab(page)))
+                return PAGE_SIZE << compound_order(page);
+
         s = page->slab;
         BUG_ON(!s);