From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 10 Aug 2007 21:05:11 +0000 (+0200)
Subject: sched: improve rq-clock overflow logic
X-Git-Tag: v2.6.23-rc3~13^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=529c77261bccd9d37f110f58b0753d95beaa9fa2;p=pandora-kernel.git

sched: improve rq-clock overflow logic

improve the rq-clock overflow logic: limit the absolute rq->clock
delta since the last scheduler tick, instead of limiting the delta
itself.

tested by Arjan van de Ven - whole laptop was misbehaving due to
an incorrectly calibrated cpu_khz confusing sched_clock().

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
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