From: Peter Zijlstra <peterz@infradead.org>
Date: Thu, 26 Jul 2007 18:01:38 +0000 (+0200)
Subject: slub: add lock debugging check
X-Git-Tag: v2.6.23-rc2~152^2~1
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02febdf7f62f2fbfa89ca9dc5d929beea89c96b1;p=linux-2.6

slub: add lock debugging check

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

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
---

diff --git a/mm/slub.c b/mm/slub.c
index 9b2d6178d0..221809f1c1 100644
--- 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;