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Re: 2.6.0-test9-mm2

To: Nick Piggin <piggin@cyberone.com.au>
Subject: Re: 2.6.0-test9-mm2
From: Mike Fedyk <mfedyk@matchmail.com>
Date: Tue, 11 Nov 2003 19:45:25 -0800
Cc: Daniel Drake <dan@reactivated.net>, Andrew Morton <akpm@osdl.org>,linux-kernel@vger.kernel.org, linux-mm@kvack.org
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On Wed, Nov 12, 2003 at 12:18:33PM +1100, Nick Piggin wrote:
> Switching from X to console or back can cause high CPU scheduling
> latencies. I haven't tried to discover why.

I've heard that it's because of the locking in the tty layer.
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References:
- 2.6.0-test9-mm2
  - From: Andrew Morton <akpm@osdl.org>
- Re: 2.6.0-test9-mm2
  - From: Daniel Drake <dan@reactivated.net>
- Re: 2.6.0-test9-mm2
  - From: Nick Piggin <piggin@cyberone.com.au>

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