linux-kernel - Re: [QUICKLIST 3/4] Quicklist support for x86

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Message-Id: <200704092049.34317.ak@suse.de>
Date:	Mon, 9 Apr 2007 20:49:34 +0200
From:	Andi Kleen <ak@...e.de>
To:	Christoph Lameter <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [QUICKLIST 3/4] Quicklist support for x86_64


> 
> It has to be done in sync with tlb flushing.

Why?

> Doing that on memory pressure  
> would complicate things significantly. 

Again why? 

> Also idling means that the cache  
> grows cold.

Does it? Unless you worry about interrupts nothing in idle
is going to thrash caches.

-Andi
 
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