linux-kernel - Re: [PATCH 2/4] generic-smp: remove kmalloc usage

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Message-Id: <1234864185.4744.36.camel@laptop>
Date:	Tue, 17 Feb 2009 10:49:45 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Jens Axboe <jens.axboe@...cle.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Steven Rostedt <rostedt@...dmis.org>,
	linux-kernel@...r.kernel.org, Oleg Nesterov <oleg@...hat.com>
Subject: Re: [PATCH 2/4] generic-smp: remove kmalloc usage

On Tue, 2009-02-17 at 10:43 +0100, Ingo Molnar wrote:
> 
> We should not bend backwards trying to preserve that kmalloc() 
> [and prove that it's safe and race-free] - i.e. the burden of 
> proof is on the person insisting that it's needed, not on the 
> person wanting to remove it.

I'm not getting it, I am removing it. The only thing I want to preserve
is the multi-cast ipi and not be forced into the multiple single-ipi
path.

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