linux-kernel - [PATCH] slab: add missing debug_check_no_locks_freed for kmem_cache

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Date:	Tue, 2 Jan 2007 18:38:47 +0200 (EET)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	akpm@...l.org
cc:	linux-kernel@...r.kernel.org, mingo@...e.hu
Subject: [PATCH] slab: add missing debug_check_no_locks_freed for kmem_cache_free

From: Pekka Enberg <penberg@...helsinki.fi>

Add a missing debug_check_no_locks_freed() debug check for kmem_cache_free().

Cc: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Pekka Enberg <penberg@...helsinki.fi>
---

 mm/slab.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: 2.6/mm/slab.c
===================================================================
--- 2.6.orig/mm/slab.c
+++ 2.6/mm/slab.c
@@ -3491,6 +3491,8 @@ static inline void __cache_free(struct k
 {
 	struct array_cache *ac = cpu_cache_get(cachep);
 
+	debug_check_no_locks_freed(objp, obj_size(cachep));
+
 	check_irq_off();
 	objp = cache_free_debugcheck(cachep, objp, __builtin_return_address(0));
 
@@ -3757,7 +3759,6 @@ void kfree(const void *objp)
 	local_irq_save(flags);
 	kfree_debugcheck(objp);
 	c = virt_to_cache(objp);
-	debug_check_no_locks_freed(objp, obj_size(c));
 	__cache_free(c, (void *)objp);
 	local_irq_restore(flags);
 }
-
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