Trying to understand alloc_skb()

John W. Linville linville at
Tue Apr 12 23:51:16 EST 2005

On Tue, Apr 12, 2005 at 10:05:14PM +0900, Daniel Ann wrote:
> On Apr 12, 2005 9:24 PM, John W. Linville <linville at> wrote:
> > You may want to consider dev_alloc_skb...
> Ahh that's right. I remember reading a little comment on top dev_alloc_skb().
> Thank you so much. At least that inspired me :)
> Thing is, I got this error during a call to notifier_call_chain. So..

My guess would be that your best bet is to move your call to
notifier_call_chain off to a workqueue.  notifier_call_chain (and/or
one or more of the functions it is calling) is likely written to
expect to be in process context.

John W. Linville
linville at

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