Re: [PATCH] kmalloc_percpu

William Lee Irwin III (wli@holomorphy.com)
Tue, 6 May 2003 19:41:35 -0700


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.

-- wli
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