Re: Linux 2.6.7-rc1 [LWN.net]

From:		Linus Torvalds <torvalds-AT-osdl.org>
To:		Jeff Garzik <jgarzik-AT-pobox.com>
Subject:		Re: Linux 2.6.7-rc1
Date:		Sun, 23 May 2004 18:56:59 -0700 (PDT)
Cc:		William Lee Irwin III <wli-AT-holomorphy.com>, Horst von Brand <vonbrand-AT-inf.utfsm.cl>, Kernel Mailing List <linux-kernel-AT-vger.kernel.org>



On Sun, 23 May 2004, Jeff Garzik wrote:
>
> William Lee Irwin III wrote:
> > I wouldn't qualify either of the major VM patch series merged as
> > rewrites. I saw:
> > (1) move unmapping function/helpers to different algorithm to save space
> > (2) NUMA API and support functions
> 
> You missed the pte chains going away, a fundamental change in the way 
> reverse mapping is done?

It's not "fundamental", in that the reverse mapping is still done. It's 
just done in a slightly different way.

Going to rmap was a _fundamental_ change to how we did VM. In contrast, 
this was just an "implementation detail".

		Linus
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