Date: Mon, 13 Sep 2004 23:18:07 -0700
From: William Lee Irwin III <wli@holomorphy.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: akpm@osdl.org, raybry@sgi.com, jbarnes@engr.sgi.com,
       linux-kernel@vger.kernel.org
Subject: Re: [profile] amortize atomic hit count increments
Message-ID: <20040914061807.GE9106@holomorphy.com>
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On Mon, Sep 13, 2004 at 11:10:23PM -0700, William Lee Irwin III wrote:
> Well, that would speed it up, but the catastrophe was avoided in the
> older patches by just processing all the hits for one cpu at a time,
> and the buffering methods above for your suggested accounting
> structures likely work well enough the overhead of processing unused
> portions of the bitmap can be ignored. I don't really want to go about
> addressing performance issues besides effective or actual
> nontermination for this code, and would rather leave highly efficient
> methods to oprofile (in fact, some others believe that even bugfixes
> for such issues should be ignored for kernel/profile.c, contrary to my
> notion that it shouldn't crash systems regardless of their size).

s/portions of the bitmap/portions of the profile buffer/
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