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From: Dave Jones <davej@codemonkey.org.uk>
To: Margit Schubert-While <margit@margit.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: L1_CACHE_SHIFT value for P4 ?
Date: Thu, 21 Nov 2002 13:30:23 +0000	[thread overview]
Message-ID: <20021121133023.GE9883@suse.de> (raw)
In-Reply-To: <4.3.2.7.2.20021121142223.00b546c0@mail.dns-host.com>

On Thu, Nov 21, 2002 at 02:25:54PM +0100, Margit Schubert-While wrote:
 > Andi,
 > L2 cache lines = L2 cache size ?

No.

 > This P4 has got 512KB L2 cache.

That 512KB is divided into 'lines' of n bytes.
Where n is the L1_CACHE_SHIFT value. (Or should be).
x86info will tell you the line size. (Its also printk'd at boot up iirc)

		Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs

  reply	other threads:[~2002-11-21 13:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-21 13:25 L1_CACHE_SHIFT value for P4 ? Margit Schubert-While
2002-11-21 13:30 ` Dave Jones [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-11-21 14:39 Margit Schubert-While
     [not found] <4.3.2.7.2.20021121130236.00b15370@mail.dns-host.com.suse.lists.linux.kernel>
2002-11-21 13:10 ` Andi Kleen
2002-11-21 13:23   ` Dave Jones
2002-11-21 13:42     ` Andi Kleen
2002-11-21 13:47       ` Dave Jones
2002-11-21 15:03     ` Mikael Pettersson
2002-11-21 12:13 Margit Schubert-While

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