Re: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19

From: Arjan van de Ven
Date: Thu Nov 03 2005 - 13:00:03 EST


On Thu, 2005-11-03 at 09:51 -0800, Martin J. Bligh wrote:

> For amusement, let me put in some tritely oversimplified math. For the
> sake of arguement, assume the free watermarks are 8MB or so. Let's assume
> a clean 64-bit system with no zone issues, etc (ie all one zone). 4K pages.
> I'm going to assume random distribution of free pages, which is
> oversimplified, but I'm trying to demonstrate a general premise, not get
> accurate numbers.

that is VERY over simplified though, given the anti-fragmentation
property of buddy algorithm

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