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Date: Fri, 9 Aug 2002 08:56:09 -0700 (PDT)
From: Linus Torvalds <torvalds@transmeta.com>
To: Daniel Phillips <phillips@arcor.de>
cc: frankeh@watson.ibm.com, <davidm@hpl.hp.com>,
       David Mosberger <davidm@napali.hpl.hp.com>,
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Subject: Re: large page patch (fwd) (fwd)
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On Fri, 9 Aug 2002, Daniel Phillips wrote:
> 
> This reference describes roughly what I had in mind for active 
> defragmentation, which depends on reverse mapping.

Note that even active defrag won't be able to handle the case where you 
want have lots of big pages, consituting a large percentage of available 
memory.

Not unless you think I am crazy enough to do garbage collection on kernel
data structures (repeat after me: "garbage collection is stupid, slow, bad
for caches, and only for people who cannot count").

Also, I think the jury (ie Andrew) is still out on whether rmap is worth 
it.

		Linus

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