From: Dan Malek <dan@embeddededge.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: akpm@osdl.org, Marcelo Tosatti <marcelo.tosatti@cyclades.com>,
"David S. Miller" <davem@davemloft.net>,
linux-kernel@vger.kernel.org
Subject: Re: increased translation cache footprint in v2.6
Date: Tue, 28 Jun 2005 09:49:18 -0400 [thread overview]
Message-ID: <6dcc5f35c031c4d6c8ef1d133e5bb53d@embeddededge.com> (raw)
In-Reply-To: <1119939689.5133.200.camel@gaston>
On Jun 28, 2005, at 2:21 AM, Benjamin Herrenschmidt wrote:
> How so ? the linux page table structure allow you to format the PTE and
> PMD contents pretty much the way you want ...
Pretty much the way, but not exactly :-)
> Paul told me the 8xx has some restrictions about what goes at the "PMD"
> level that is a problem for us (is it cache inhibited bit ?) and thus
> we
> cannot completely do the PMD/PTE thingy,
There are some page control options that would be easier handled at
the pmd boundary. Cache mode is one of them.
-- Dan
next prev parent reply other threads:[~2005-06-28 13:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-26 17:23 increased translation cache footprint in v2.6 Marcelo Tosatti
2005-06-26 23:42 ` Paul Mackerras
2005-06-26 18:31 ` Marcelo Tosatti
2005-06-26 23:49 ` Andrew Morton
2005-06-26 18:52 ` Marcelo Tosatti
2005-06-27 0:33 ` David S. Miller
2005-06-26 19:09 ` Marcelo Tosatti
2005-06-27 0:53 ` David S. Miller
2005-06-27 15:57 ` Dan Malek
2005-06-27 19:50 ` David S. Miller
2005-06-27 20:35 ` Dan Malek
2005-06-28 6:18 ` Benjamin Herrenschmidt
2005-06-28 13:42 ` Dan Malek
2005-06-27 15:46 ` Dan Malek
2005-06-28 6:21 ` Benjamin Herrenschmidt
2005-06-28 13:49 ` Dan Malek [this message]
2005-06-27 1:55 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2005-06-27 19:04 Al Boldi
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