---
 mm/slub.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c	2007-10-18 12:23:45.000000000 -0700
+++ linux-2.6/mm/slub.c	2007-10-18 12:24:54.000000000 -0700
@@ -107,6 +107,13 @@
 #define SLABDEBUG 0
 #endif
 
+/*
+ * The frozen bit is updated:
+ * 1. Before the slab is generally accessible
+ * 2. Under list_lock
+ * 3. Clearing can occur without the list_lock since
+ *    no other processor is allowed to taouch a frozen slab.
+ */
 static inline int SlabFrozen(struct page *page)
 {
 	return page->flags & FROZEN;
@@ -122,6 +129,9 @@ static inline void ClearSlabFrozen(struc
 	page->flags &= ~FROZEN;
 }
 
+/*
+ * Slabdebug is only set on slab creation and destruction
+ */
 static inline int SlabDebug(struct page *page)
 {
 	return page->flags & SLABDEBUG;