Re: [PATCH] kmalloc_percpu
Rusty Russell (rusty@rustcorp.com.au)
Wed, 07 May 2003 14:15:26 +1000
In message <20030507024135.GW8978@holomorphy.com> you write:
> On Wed, May 07, 2003 at 11:57:13AM +1000, Rusty Russell wrote:
> > Paul Mackerras points out that we could get the numa-aware allocation
> > plus "one big alloc" properties by playing with page mappings: reserve
> > 1MB of virtual address, and map more pages as required. I didn't
> > think that we'd need that yet, though.
>
> This is somewhat painful to do (though possible) on i386. The cost of
> task migration would increase at the very least.
You misunderstand I think. All cpus would have the same mappings.
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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