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Subject: Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine
From: Lin Ming <ming.m.lin@intel.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
       "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>, mingo <mingo@elte.hu>,
       Gregory Haskins <ghaskins@novell.com>
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	 <1220519034.8609.206.camel@twins>
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Date: Fri, 05 Sep 2008 09:26:37 +0800
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It does not help after these 4 patches applied.

Gregory Haskins (4):
     sched: make task_hot() once again use sd->cache_hot_time
     Revert "sched: zap the migration init / cache-hot balancing code"
     Revert "[PATCH] sched: remove cache_hot_time"
     revert "sched: sched_cacheflush is now unused"