slub: add lock debugging check

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

Signed-off-by: Peter Zijlstra <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
Signed-off-by: Christoph Lameter <[email protected]>

diff --git a/mm/slub.c b/mm/slub.c
index 9b2d6178d06ce7259941c6aafa7b20cf81228e40..221809f1c1350b48fea34b00c17d6a9400e778b3 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1656,6 +1656,7 @@ static void __always_inline slab_free(struct kmem_cache *s,
        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;