From mboxrd@z Thu Jan  1 00:00:00 1970
From: mingo@elte.hu (Ingo Molnar)
Date: Thu, 30 Apr 2009 15:38:59 +0200
Subject: [ltt-dev] [PATCH] Fix dirty page accounting
	in	redirty_page_for_writepage()
In-Reply-To: <alpine.DEB.1.10.0904300921290.22262@qirst.com>
References: <20090429232546.GB15782@Krystal>
	<alpine.LFD.2.00.0904291701450.22156@localhost.localdomain>
	<20090430024303.GB19875@Krystal>
	<alpine.DEB.1.10.0904300921290.22262@qirst.com>
Message-ID: <20090430133859.GB8329@elte.hu>


* Christoph Lameter <cl at 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