linux-kernel - Re: [patch 07/20] Allow paravirt backend to choose kernel PMD sharing

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Message-ID: <20070405012956.GM19575@sequoia.sous-sol.org>
Date:	Wed, 4 Apr 2007 18:29:56 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	Christoph Lameter <clameter@....com>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	virtualization@...ts.osdl.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	William Lee Irwin III <wli@...omorphy.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [patch 07/20] Allow paravirt backend to choose kernel PMD sharing

* Christoph Lameter (clameter@....com) wrote:
> Acked-by: Christoph Lameter <clameter@....com>
> 
> for all thats worth since I am not a i386 specialist.
> 
> How much of the issues with page struct sharing between slab and arch code 
> does this address?

I think the answer is 'none yet.'  It uses page sized slab and still
needs pgd_list, for example.  But the mm_list chaining should work too,
so it shouldn't make things any worse.

thanks,
-chris
-
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