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Re: large page patch
- To: "David S. Miller" <davem@redhat.com>, davidm@hpl.hp.com,davidm@napali.hpl.hp.com
- Subject: Re: large page patch
- From: Ryan Cumming <ryan@completely.kicks-ass.org>
- Date: Fri, 2 Aug 2002 02:05:43 -0700
- Cc: gh@us.ibm.com, riel@conectiva.com.br, akpm@zip.com.au,linux-kernel@vger.kernel.org, linux-mm@kvack.org,rohit.seth@intel.com, sunil.saxena@intel.com,asit.k.mallick@intel.com
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On August 2, 2002 01:20, David S. Miller wrote:
> From: David Mosberger <davidm@napali.hpl.hp.com>
> Date: Thu, 1 Aug 2002 23:26:07 -0700
>
> I'm a bit concerned about this, too. My preference would have been to
> use the regular mmap() and shmat() syscalls with some
> augmentation/hint as to what the preferred page size is (Simon
> Winwood's OLS 2002 paper talks about some options here). I like this
> because hints could be useful even with a transparent superpage
> scheme.
>
> A "hint" to use superpages? That's absurd.
What about applications that want fine-grained page aging? 4MB is a tad on the
course side for most desktop applications.
-Ryan
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