linux-kernel - Re: [PATCH] v3 RCU: the bloatwatch edition

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Message-ID: <20090403000257.GE6808@linux.vnet.ibm.com>
Date:	Thu, 2 Apr 2009 17:02:57 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	niv@...ibm.com, dvhltc@...ibm.com, dhowells@...hat.com,
	lethal@...ux-sh.org, kernel@...tstofly.org, matthew@....cx
Subject: Re: [PATCH] v3 RCU: the bloatwatch edition

On Thu, Apr 02, 2009 at 03:44:44PM -0700, Andrew Morton wrote:
> On Fri, 3 Apr 2009 00:36:05 +0200
> Ingo Molnar <mingo@...e.hu> wrote:
> 
> > 
> > Andrew, what do you think?
> 
> I'm really struggling to see how the 900-odd bytes saved justifies
> creating (yet another) variant of core kernel machinery.
> 
> > A worry is yet another RCU variant - we already have 3.
> 
> That would make four?

Three, once treercu is deemed stable enough to permit dropping Classic RCU.

						Thanx, Paul
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