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SubjectRe: [resend PATCH for 3.2] procfs: do not confuse jiffies with cputime64_t
On Thu, 22 Dec 2011 00:50:06 +0100
Andreas Schwab <schwab@linux-m68k.org> wrote:

> Andrew Morton <akpm@linux-foundation.org> writes:
>
> > From: Andreas Schwab <schwab@linux-m68k.org>
> > Subject: procfs: do not confuse jiffies with cputime64_t
> >
> > get_{idle,iowait}_time are supposed to return cputime64_t values, not
> > jiffies. Add usecs_to_cputime64 for this.
>
> For most architectures (which use the asm-generic/cputime.h) jiffies use
> the same unit as cputime64_t values, but ia64, powerpc and s390 make
> them different.
>

OK, but

a) what effect does this problem have upon users of the kernel?

b) which kernel version(s) are affected?


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