Re: [PATCH] Fix dirty page accounting in redirty_page_for_writepage()

Ingo Molnar
2009-04-30T13:40:16Z

* Christoph Lameter <cl@linux.com> wrote:

> On Wed, 29 Apr 2009, Mathieu Desnoyers wrote:
>
> > to have a good look at the memory accounting code. We could
> > probably benefit of Christoph Lameter's cpu ops (using segment
> > registers to address per-cpu variables with atomic inc/dec) in
> > there. Or at least removing interrupt disabling by using preempt
> > disable and local_t variables for the per-cpu counters could
> > bring some benefit.
>
> Guess we are ready for atomic per cpu ops now that the new per cpu
> allocator is in? Segment register issues with the PDA are also
> solved right?

it's all done, implemented and upstream already. You are a bit late
to the party ;-)

Ingo