Re: [PATCH] memcg: remove unneeded preempt_disable

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On Thu, 25 Aug 2011, James Bottomley wrote:

> >Well then what is "really risc"? RISC is an old beaten down marketing
> >term
> >AFAICT and ARM claims it too.
>
> Reduced Instruction Set Computer.  This is why we're unlikely to have
> complex atomic instructions: the principle of risc is that you build
> them up from basic ones.

RISC cpus have instruction to construct complex atomic actions by the cpu
as I have shown before for ARM.

Principles always have exceptions to them.

(That statement in itself is a principle that should have an exception I
guess. But then language often only makes sense when it contains
contradictions.)

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