Re: [CPUFREQ] Fix implicit declarations in ondemand.

[Andrew Morton <akpm@osdl.org>]

On Wed, 5 Jul 2006 05:46:57 -0400
Dave Jones <davej@redhat.com> wrote:

> On Wed, Jul 05, 2006 at 10:43:05AM +0100, David Woodhouse wrote:
>  > On Wed, 2006-07-05 at 02:36 -0700, Andrew Morton wrote:
>  > > On Wed, 5 Jul 2006 05:22:54 -0400 Dave Jones <davej@redhat.com> wrote:
>  > > 
>  > > > drivers/cpufreq/cpufreq_ondemand.c: In function ‘dbs_check_cpu’:
>  > > > drivers/cpufreq/cpufreq_ondemand.c:238: error: implicit declaration
>  > > of function ‘jiffies64_to_cputime64’
>  > > > drivers/cpufreq/cpufreq_ondemand.c:239: error: implicit declaration
>  > > of function ‘cputime64_sub’
>  > 
>  > > > +#include <asm/cputime.h>
>  > 
>  > > But kernel_stat.h already includes cputime.h, as does sched.h, and
>  > > pretty much everything pulls in sched.h.
>  > > 
>  > > It's not bad to avoid a dependency upon nested includes, but I do
>  > > wonder how this error came about?? 
>  > 
>  > asm-powerpc/cputime.h doesn't declare jiffies64_to_cputime64() or
>  > cputime64_sub()
> 
> The curious part is why it isn't picking up the definition from asm-generic
> like x86-64 & friends do.
> 

CONFIG_VIRT_CPU_ACCOUNTING.
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