linux-kernel - Re: [PATCH] [10/23] SCHED: Only allocate per cpu cpu mask buffer with offstack cpumasks

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Date:	Thu, 10 Jun 2010 16:52:43 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>, mingo@...e.hu,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [10/23] SCHED: Only allocate per cpu cpu mask buffer
	with offstack cpumasks

> This patch will actually break things.. please read the code.
> 
> I guess we could move the unsigned long into that block, but I really
> don't see the point.

How does it break things? 

ptr is not used for anything unless that define is set. gcc doesn't
lie on this.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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