linux-kernel - Re: [tip:x86/urgent] x86-32: Restore irq stacks NUMA-aware allocations

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Message-ID: <1288377146.1988.0.camel@laptop>
Date:	Fri, 29 Oct 2010 20:32:26 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	eric.dumazet@...il.com, brgerst@...il.com, tglx@...utronix.de,
	mingo@...e.hu
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/urgent] x86-32: Restore irq stacks NUMA-aware
 allocations

On Fri, 2010-10-29 at 06:43 +0000, tip-bot for Eric Dumazet wrote:
> +       irqctx = page_address(alloc_pages_node(cpu_to_node(cpu),
> +                                              THREAD_FLAGS,
> +                                              THREAD_ORDER)); 

Shouldn't we be checking for a NULL return from alloc_pages_node()
before calling page_address() on it?
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