[patch] lockdep: also check for freed locks in kmem_cache_free()

[patch] lockdep: also check for freed locks in kmem_cache_free()

[Ingo Molnar]

Subject: [patch] lockdep: also check for freed locks in kmem_cache_free()
From: Ingo Molnar <mingo@elte.hu>

kmem_cache_free() was missing the check for freeing held locks.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 mm/slab.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux/mm/slab.c
===================================================================
--- linux.orig/mm/slab.c
+++ linux/mm/slab.c
@@ -3533,6 +3533,7 @@ void kmem_cache_free(struct kmem_cache *
 	BUG_ON(virt_to_cache(objp) != cachep);
 
 	local_irq_save(flags);
+	debug_check_no_locks_freed(objp, obj_size(cachep));
 	__cache_free(cachep, objp);
 	local_irq_restore(flags);
 }