[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Pine.LNX.4.64.0707091751410.2269@schroedinger.engr.sgi.com>
Date: Mon, 9 Jul 2007 17:52:34 -0700 (PDT)
From: Christoph Lameter <clameter@....com>
To: Greg KH <greg@...ah.com>
cc: Yinghai Lu <Yinghai.Lu@....COM>, akpm@...ux-foundation.org,
ak@...e.de, rientjes@...gle.com,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] try parent numa_node at first before using default
On Mon, 9 Jul 2007, Greg KH wrote:
> > @@ -547,6 +547,8 @@ static void klist_children_put(struct klist_node *n)
> >
> > void device_initialize(struct device *dev)
> > {
> > + int node;
> > +
> > kobj_set_kset_s(dev, devices_subsys);
> > kobject_init(&dev->kobj);
> > klist_init(&dev->klist_children, klist_children_get,
> > @@ -557,7 +559,9 @@ void device_initialize(struct device *dev)
> > spin_lock_init(&dev->devres_lock);
> > INIT_LIST_HEAD(&dev->devres_head);
> > device_init_wakeup(dev, 0);
> > - set_dev_node(dev, -1);
> > +
> > + node = dev->parent ? dev_to_node(dev->parent) : -1;
> > + set_dev_node(dev, node);
> > }
>
> What is this going to give us?
>
> Doesn't it mean that all devices will end up on the same node?
It means that the node for the device is the same as the parent device.
F.e. if the parent device is a bus that is connected to node 4 then all
the devices hooked up to the bus are allocated on that node.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists