[PATCH] slub: add lock debugging check

[Peter Zijlstra]

Ingo noticed that the SLUB code does include the lock debugging free
check.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxx>
Acked-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Acked-by: Christoph Lameter <clameter@xxxxxxx>
---
 mm/slub.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c
+++ linux-2.6/mm/slub.c
@@ -1656,6 +1656,7 @@ static void __always_inline slab_free(st
 	unsigned long flags;
 
 	local_irq_save(flags);
+	debug_check_no_locks_freed(object, s->objsize);
 	if (likely(page == s->cpu_slab[smp_processor_id()] &&
 						!SlabDebug(page))) {
 		object[page->offset] = page->lockless_freelist;


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