On Sat, 17 Nov 2007, Andrew Morton wrote:
> > Don't know who to bug about that.
>
> That's slub. It appears that list_lock is being taken from process context
> in one place and from softirq in another.
I kicked out some weird interrupt disable code in mm that was only run during
NUMA bootstrap.
This should fix it but isnt there some mechanism to convince lockdep that
it is okay to do these things during bootstrap?
---
mm/slub.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c 2007-11-17 11:31:21.044136631 -0800
+++ linux-2.6/mm/slub.c 2007-11-17 11:32:17.364386560 -0800
@@ -2044,7 +2044,9 @@ static struct kmem_cache_node *early_kme
#endif
init_kmem_cache_node(n);
atomic_long_inc(&n->nr_slabs);
+ local_irq_disable();
add_partial(kmalloc_caches, page, 0);
+ local_irq_enable();
return n;
}
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