On Mon, 30 Apr 2007, Arjan van de Ven wrote:
> Christoph Lameter wrote:
> > Umm you did not read the last bit of the description? It talks about firing
> > all timers on all cpus at once.
> >
>
> it talks about AVOIDING firing all timers on all cpus at once.
H... Looked fine right now. Mus
Christoph Lameter wrote:
Umm you did not read the last bit of the description? It talks about
firing all timers on all cpus at once.
it talks about AVOIDING firing all timers on all cpus at once.
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On Sat, 28 Apr 2007, Arjan van de Ven wrote:
> > Hmmm... Yes but that looks like it comes from a different function. Slab
> > calls
> >
> > __round_jiffies_relative(HZ, cpu))
> >
> > And its description says:
> >
> > /**
> > *
> > * The exact rounding is skewed for each processor to avoid al
On Sat, 2007-04-28 at 16:35 -0700, Christoph Lameter wrote:
> Hmmm... Yes but that looks like it comes from a different function. Slab
> calls
>
> __round_jiffies_relative(HZ, cpu))
>
> And its description says:
>
> /**
> *
> * The exact rounding is skewed for each processor to avoid all
>
On Sat, 28 Apr 2007, Arjan van de Ven wrote:
> Christoph Lameter wrote:
> > The slab reaper takes global locks. If one makes all cache reapers fire at
> > the same time as this patch does then there will be a lot of contention that
> > may result lots of interrupt holdoffs since some locks are tak
The slab reaper takes global locks. If one makes all cache reapers fire at
the same time as this patch does then there will be a lot of contention
that may result lots of interrupt holdoffs since some locks are taken
with interrupts disabled. The vm statistics counters are updated
and will conten
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