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Date: Tue, 24 Sep 2002 17:46:13 -0700
From: Andrew Morton <akpm@digeo.com>
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To: William Lee Irwin III <wli@holomorphy.com>
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Subject: Re: 2.5.38-mm2 dbench $N times
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William Lee Irwin III wrote:
> 
>...
> c01053dc 9194801  60.668      poll_idle
> c01175db 1752528  11.5633     .text.lock.sched
> c0114c08 1281763  8.45717     load_balance
> c0106408 388517   2.56346     .text.lock.semaphore

lock_super in the ext2 block allocator, I bet.

Al was making noises about nailing that.  Per-blockgroup
rwlocks would be neat.