X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fslub.c;h=0987d1cd943cc88d626a7d1b1097ba1f83243591;hb=fdfe6d3d000775b50fb1adbc278ba0a34c3007c7;hp=a505a828ef411e08f149a413fb37f32da7c47e21;hpb=c20b4b69f774896623a8ad87d974982bc89af7ed;p=linux-2.6

diff --git a/mm/slub.c b/mm/slub.c
index a505a828ef..0987d1cd94 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2726,9 +2726,10 @@ size_t ksize(const void *object)
 
 	page = virt_to_head_page(object);
 
-	if (unlikely(!PageSlab(page)))
+	if (unlikely(!PageSlab(page))) {
+		WARN_ON(!PageCompound(page));
 		return PAGE_SIZE << compound_order(page);
-
+	}
 	s = page->slab;
 
 #ifdef CONFIG_SLUB_DEBUG