linux-kernel - Re: [PATCH] v4 RCU: the bloatwatch edition

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Message-ID: <11979.1241648574@redhat.com>
Date:	Wed, 06 May 2009 23:22:54 +0100
From:	David Howells <dhowells@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	dhowells@...hat.com, Ingo Molnar <mingo@...e.hu>,
	paulmck@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	niv@...ibm.com, dvhltc@...ibm.com, lethal@...ux-sh.org,
	kernel@...tstofly.org, matthew@....cx
Subject: Re: [PATCH] v4 RCU: the bloatwatch edition

Andrew Morton <akpm@...ux-foundation.org> wrote:

> More like "concerns".  It's unobvious to me that the modest .text
> savings justify the costs of an additional RCU implementation.  Where
> those costs include

It may be more than just modest .text savings.  Being optimised to be as
simple as possible, and to only support one CPU, it may be quicker too.  I'm
not sure how best to benchmark it though.

David
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