linux-kernel - Re: [RFC][PATCH 3/9] actual generic PAGE

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Message-ID: <Pine.LNX.4.64.0608311104010.12835@schroedinger.engr.sgi.com>
Date:	Thu, 31 Aug 2006 11:06:31 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Dave Hansen <haveblue@...ibm.com>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-ia64@...r.kernel.org
Subject: Re: [RFC][PATCH 3/9] actual generic PAGE_SIZE infrastructure

On Thu, 31 Aug 2006, Dave Hansen wrote:

> > Note that the default pagesize on IA64 is 16K and some important things 
> > would change if a lesser size is selected. I have never run a 4K kernel. 
> > I do not think we can just say that 4KB is okay. There may be other 
> > platforms that have other default page sizes.
> 
> If we can't just say that it is OK, then we should probably disable it
> in Kconfig.  Should we do that?

Well, we cannot disable 4K support for all platforms, so I guess this 
refers only to IA64.

IA64 can certainly be build with 4K support. I am not sure how well user 
space tools play with it. Better leave it selectable unless others on 
linux-ia64 have something to say on the issue.

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