Messages in this thread Patch in this message | | | Date | Sat, 17 Nov 2007 11:33:56 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: [BUG] 2.6.24-rc2-mm1 - kernel bug on nfs v4 |
| |
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; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |