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Message-ID: <1FE6DD409037234FAB833C420AA843ECE5B88C@orsmsx424.amr.corp.intel.com>
Date:	Mon, 24 Mar 2008 14:25:11 -0700
From:	"Luck, Tony" <tony.luck@...el.com>
To:	"David Miller" <davem@...emloft.net>, <clameter@....com>
Cc:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	<linux-ia64@...r.kernel.org>, <torvalds@...ux-foundation.org>
Subject: RE: larger default page sizes...

> The memory wastage is just rediculious.

In an ideal world we'd have variable sized pages ... but
since most arcthitectures have no h/w support for these
it may be a long time before that comes to Linux.

In a fixed page size world the right page size to use
depends on the workload and the capacity of the system.

When memory capacity is measured in hundreds of GB, then
a larger page size doesn't look so ridiculous.

-Tony
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