linux-kernel - Re: [13/18] x86_64: Allow fallback for the stack

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Message-Id: <200710041425.43343.ak@suse.de>
Date:	Thu, 4 Oct 2007 14:25:43 +0200
From:	Andi Kleen <ak@...e.de>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Christoph Lameter <clameter@....com>, akpm@...ux-foundation.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org, travis@....com
Subject: Re: [13/18] x86_64: Allow fallback for the stack


> The order-1 allocation failures where GFP_ATOMIC, because SLUB uses !0
> order for everything.

slub is wrong then. Can it be fixed?

> Kernel stack allocation is GFP_KERNEL I presume. 

Of course.

> Also, I use 4k stacks on all my machines.

You don't have any x86-64 machines?

-Andi
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