linux-kernel - Re: Remove constructor from buffer

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Date:	Thu, 3 May 2007 23:35:34 -0700
From:	William Lee Irwin III <wli@...omorphy.com>
To:	Christoph Lameter <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: Remove constructor from buffer_head

On Thu, May 03, 2007 at 08:08:41PM -0700, Christoph Lameter wrote:
> Performance tests show a slight improvements in netperf (not a
> strong case for a performance improvement but removing the
> constructor has definitely no negative impact so why keep
> this around?).

Cache effects are not so easily visible. Cache profile results from
more realistic workloads (e.g. major macrobenchmarks) are more
appropriate for gauging this.


-- wli
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