Messages in this thread | | | Date | Wed, 16 Aug 2006 13:32:02 +0400 | From | Evgeniy Polyakov <> | Subject | Re: [PATCH 1/1] network memory allocator. |
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On Wed, Aug 16, 2006 at 10:10:29AM +0100, Christoph Hellwig (hch@infradead.org) wrote: > On Wed, Aug 16, 2006 at 02:05:03AM -0700, David Miller wrote: > > From: Evgeniy Polyakov <johnpol@2ka.mipt.ru> > > Date: Wed, 16 Aug 2006 13:00:31 +0400 > > > > > So I would like to know how to determine which node should be used for > > > allocation. Changes of __get_user_pages() to alloc_pages_node() are > > > trivial. > > > > netdev_alloc_skb() knows the netdevice, and therefore you can > > obtain the "struct device;" referenced inside of the netdev, > > and therefore you can determine the node using the struct > > device. > > It's not that easy unfortunately. I did what you describe above in my > first prototype but then found out the hard way that the struct device > in the netdevice can be a non-pci one, e.g. for pcmcia. Im that case > the kernel will crash on you becuase you can only get the node infortmation > for pci devices. My current patchkit adds an "int node" member to struct > net_device instead. I can repost the patchkit ontop of -mm (which is > the required slab memory leak tracking changes) if anyone cares.
Can we check device->bus_type or device->driver->bus against &pci_bus_type for that?
-- Evgeniy Polyakov - 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/
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