linux-kernel - Re: Remove constructor from buffer

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Message-ID: <Pine.LNX.4.64.0705040905020.21436@schroedinger.engr.sgi.com>
Date:	Fri, 4 May 2007 09:05:32 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	William Lee Irwin III <wli@...omorphy.com>
cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: Remove constructor from buffer_head

On Thu, 3 May 2007, William Lee Irwin III wrote:

> 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.

Yeah I really out to stick a performance counter in this but that would 
require some effort. Defer for now I guess.

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