On Wed, Sep 27, 2006 at 04:28:26PM -0700, David Brownell wrote:
> On Wednesday 27 September 2006 1:27 pm, Matthew Wilcox wrote:
> > On Tue, Sep 26, 2006 at 08:48:48AM -0700, David Brownell wrote:
> > > This fixes a compiler-reported divide-by-zero when HZ < 100.
> >
> > Shouldn't we instead be using jiffies_to_clock_t? Thus:
>
> Could be ... the units in that function unclear to me though.
Me too, tbh. But the function looks right.
static inline clock_t jiffies_to_clock_t(long x)
{
#if (TICK_NSEC % (NSEC_PER_SEC / USER_HZ)) == 0
return x / (HZ / USER_HZ);
#else
u64 tmp = (u64)x * TICK_NSEC;
do_div(tmp, (NSEC_PER_SEC / USER_HZ));
return (long)tmp;
#endif
}
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