Messages in this thread | | | From | (Eric W. Biederman) | Date | Thu, 31 Jul 2008 15:14:57 -0700 | Subject | Re: [PATCH 0/3] dyn_array support #2 |
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Peter Zijlstra <peterz@infradead.org> writes:
> On Wed, 2008-07-30 at 21:09 -0700, Yinghai Lu wrote: >> please check the patches adding dyn_array and nr_irqs #2 > > Why can't we use a radix tree like powerpc does?
Unless I am mistaken the ppc uses the radix tree for something different. We don't have any architecture in the kernel to my knowledge that doesn't use an array of irq_desc entries.
Killing the array of irq_desc entries and along with it NR_IRQS is what needs to happen.
Eric
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