linux-kernel - Re: [patch 26/41] cpu alloc: Convert mib handling to cpu alloc

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Message-ID: <Pine.LNX.4.64.0805301101040.14564@schroedinger.engr.sgi.com>
Date:	Fri, 30 May 2008 11:01:14 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Eric Dumazet <dada1@...mosbay.com>
cc:	akpm@...ux-foundation.org, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net>,
	Peter Zijlstra <peterz@...radead.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Mike Travis <travis@....com>
Subject: Re: [patch 26/41] cpu alloc: Convert mib handling to cpu alloc

On Fri, 30 May 2008, Eric Dumazet wrote:

> We also can avoid the use of two arrays when CONFIG_HAVE_CPU_OPS
> since _CPU_INC() and __CPU_INC() are both interrupt safe.
> This would reduce size of mibs by 50% and complexity (no need to sum)

Right.

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