Re: Server with huge memory

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On Mon, 2008-09-22 at 07:54 +0900, MinChan Kim wrote:
> * Rik van Riel (riel@xxxxxxxxxxx) wrote:
[....]
> > The second option is to rewrite part of the VM so less
> > metadata is kept for page cache.  Specifically, you will
> > have to write code to reclaim buffer heads from page
> > cache pages.
> 
> Do You mean current page reclaim mechanism have a problem ?

Only on insane installations.

> As you know, kernel already have reclaimed fs-specific metadata.
> What is a problem?

That people run a 32bit x86 kernel with 64GB RAM on x86_64 hardware
(obviously - 32bit cannot address 64GB RAM anyways) with no good reason.

	Bernd
-- 
Firmix Software GmbH                   http://www.firmix.at/
mobil: +43 664 4416156                 fax: +43 1 7890849-55
          Embedded Linux Development and Services



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