From: Ingo Molnar <mingo@elte.hu>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: "David S. Miller" <davem@redhat.com>,
Rik van Riel <riel@conectiva.com.br>,
linux-mm@kvack.org, "Stephen C. Tweedie" <sct@redhat.com>,
Matthew Dillon <dillon@apollo.backplane.com>
Subject: Re: [RFC] 2-pointer PTE chaining idea
Date: Fri, 19 Jan 2001 12:49:38 +0100 (CET) [thread overview]
Message-ID: <Pine.LNX.4.30.0101191247210.1137-100000@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.10.10101182307340.9418-100000@penguin.transmeta.com>
On Thu, 18 Jan 2001, Linus Torvalds wrote:
> Whatever. Maybe it can be done other ways. The fact that the way I
> thought to implement it was with an order-2 allocation to do this
> efficiently is what really killed it for me. [...]
it can be done by 'implicitly' linking the soft and hard table via putting
it on the same 8K-aligned order-2 page, but linking them through their
mem_map[] entries. The fields of mem_map[] entries of ordinary pagetables
are largely unused, they are privately allocated pages.
Ingo
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next prev parent reply other threads:[~2001-01-19 11:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-19 5:08 Rik van Riel
2001-01-19 6:57 ` David S. Miller
2001-01-19 7:17 ` Linus Torvalds
2001-01-19 7:55 ` Rik van Riel
2001-01-20 5:22 ` Linus Torvalds
2001-01-20 5:31 ` David S. Miller
2001-01-20 7:05 ` Rik van Riel
2001-01-19 11:49 ` Ingo Molnar [this message]
2001-01-20 6:58 ` Rik van Riel
2001-01-19 11:37 ` Ingo Molnar
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