linux-kernel - RE: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86

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Message-ID: <Pine.LNX.4.64.0803251223470.17521@schroedinger.engr.sgi.com>
Date:	Tue, 25 Mar 2008 12:25:04 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	"Luck, Tony" <tony.luck@...el.com>
cc:	David Miller <davem@...emloft.net>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-ia64@...r.kernel.org
Subject: RE: [11/14] vcompound: Fallbacks for order 1 stack allocations on
 IA64 and x86

On Tue, 25 Mar 2008, Luck, Tony wrote:

> dtr[1] : maps an area of region 7 that spans kernel stack
>          page size is kernel granule size (default 16M).
>          This mapping needs to be reset on a context switch
>          where we move to a stack in a different granule.

Interesting.... Never realized we were doing these tricks with DTR.

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