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SubjectRe: [PATCH] percpu: add optimized generic percpu accessors
Ingo Molnar wrote:
> The larger point still remains: the kernel dominantly uses static percpu
> variables by a margin of 10 to 1, so we cannot just brush away the static
> percpu variables and must concentrate on optimizing that side with
> priority. It's nice if the dynamic percpu-alloc side improves as well, of
> course.

Well, the infrequent usage of dynamic percpu allocation is in some
part due to the poor implementation, so it's sort of chicken and egg
problem. I got into this percpu thing because I wanted a percpu
reference count which can be dynamically allocated and it sucked.

Thanks.

--
tejun


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