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Date: Tue, 24 Sep 2002 10:40:08 -0700
From: Andrew Morton <akpm@digeo.com>
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To: William Lee Irwin III <wli@holomorphy.com>
CC: linux-kernel@vger.kernel.org, dipankar@in.ibm.com, mingo@elte.hu,
       davem@redhat.com, jgarzik@mandrakesoft.com, torvalds@transmeta.com
Subject: Re: on 2.5.38-mm2 tbench 64 smptimers shows 30% improvement
References: <20020924081340.GD6070@holomorphy.com> <20020924083606.GF6070@holomorphy.com>
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William Lee Irwin III wrote:
> 
> ...
> 2.5.38-mm2-smptimers:
> c01053dc 30936965 41.2616     poll_idle
> c020ee62 30635964 40.8601     .text.lock.dev       <- what's this?
> c0114c08 2499541  3.33371     load_balance
> c01175db 2141278  2.85589     .text.lock.sched
> c020ce40 2141045  2.85558     dev_queue_xmit
> c013a47e 932681   1.24394     .text.lock.page_alloc

queue lock for the loopback device?