mm-slab-move-debug-out.patch

Subject: mm-slab-move-debug-out.patch
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Jun 2011 10:42:04 +0200

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 mm/slab.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-stable/mm/slab.c
===================================================================
--- linux-stable.orig/mm/slab.c
+++ linux-stable/mm/slab.c
@@ -3991,10 +3991,10 @@ void kmem_cache_free(struct kmem_cache *
 {
 	unsigned long flags;
 
-	local_irq_save(flags);
 	debug_check_no_locks_freed(objp, cachep->object_size);
 	if (!(cachep->flags & SLAB_DEBUG_OBJECTS))
 		debug_check_no_obj_freed(objp, cachep->object_size);
+	local_irq_save(flags);
 	__cache_free(cachep, objp, __builtin_return_address(0));
 	local_irq_restore(flags);
 
@@ -4020,12 +4020,12 @@ void kfree(const void *objp)
 
 	if (unlikely(ZERO_OR_NULL_PTR(objp)))
 		return;
-	local_irq_save(flags);
 	kfree_debugcheck(objp);
 	c = virt_to_cache(objp);
 	debug_check_no_locks_freed(objp, c->object_size);
 
 	debug_check_no_obj_freed(objp, c->object_size);
+	local_irq_save(flags);
 	__cache_free(c, (void *)objp, __builtin_return_address(0));
 	local_irq_restore(flags);
 }