linux-kernel - Re: [PATCH] taskstats scaled time cleanup

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Message-Id: <20071024163305.14b9bfba.akpm@linux-foundation.org>
Date:	Wed, 24 Oct 2007 16:33:05 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Michael Neuling <mikey@...ling.org>
Cc:	paulus@...ba.org, linux390@...ibm.com,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	linux-s390@...r.kernel.org, balbir@...ux.vnet.ibm.com
Subject: Re: [PATCH] taskstats scaled time cleanup

On Wed, 24 Oct 2007 16:54:57 +1000
Michael Neuling <mikey@...ling.org> wrote:

> +/* Estimate the scaled cputime by scaling the real cputime based on
> + * the last scaled to real ratio */
> +static inline cputime_t cputime_to_scaled(const cputime_t ct)
> +{
> +	if (cpu_has_feature(CPU_FTR_SPURR) &&
> +	    per_cpu(cputime_last_delta, smp_processor_id()))
> +		return ct *
> +			per_cpu(cputime_scaled_last_delta, smp_processor_id())/
> +			per_cpu(cputime_last_delta, smp_processor_id());
> +	return ct;
> +}

This looks far too large to be inlined.
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