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Re: [RFC] Page table sharing
- To: Linus Torvalds <torvalds@transmeta.com>
- Subject: Re: [RFC] Page table sharing
- From: Roman Zippel <zippel@linux-m68k.org>
- Date: Tue, 19 Feb 2002 11:02:29 +0100 (CET)
- cc: Daniel Phillips <phillips@bonn-fries.net>,Rik van Riel <riel@conectiva.com.br>,Hugh Dickins <hugh@veritas.com>, <dmccr@us.ibm.com>,Kernel Mailing List <linux-kernel@vger.kernel.org>,<linux-mm@kvack.org>, Robert Love <rml@tech9.net>,<mingo@redhat.co>, Andrew Morton <akpm@zip.com.au>,<manfred@colorfullife.com>, <wli@holomorphy.com>
- Fake-Sender: owner-linux-mm@kvack.org
- In-Reply-To: <Pine.LNX.4.33.0202181822470.24671-100000@home.transmeta.com>
- Original-Recipient: rfc822;linux-mm-archive@humbolt.geo.uu.nl
- Sender: Rik van Riel <riel@nl.linux.org>
Hi,
On Mon, 18 Feb 2002, Linus Torvalds wrote:
> We can, of course, introduce a "pmd-rmap" thing, with a pointer to a
> circular list of all mm's using that pmd inside the "struct page *" of the
> pmd.
Isn't that information basically already available via
vma->vm_(pprev|next)_share?
bye, Roman
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