linux-kernel - Re: [BUG] 2.6.24-rc2-mm1

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Message-ID: <Pine.LNX.4.64.0711191449360.15054@schroedinger.engr.sgi.com>
Date:	Mon, 19 Nov 2007 14:50:03 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	root <root@...gramming.kicks-ass.net>
cc:	Ingo Molnar <mingo@...e.hu>,
	Torsten Kaiser <just.for.lkml@...glemail.com>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, linuxppc-dev@...abs.org,
	nfs@...ts.sourceforge.net, Andy Whitcroft <apw@...dowen.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Jan Blunck <jblunck@...e.de>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [BUG] 2.6.24-rc2-mm1 - kernel bug on nfs v4

On Sun, 18 Nov 2007, root wrote:

> @@ -2155,6 +2155,7 @@ static struct kmem_cache_node *early_kme
>  {
>  	struct page *page;
>  	struct kmem_cache_node *n;
> +	unsigned long flags;
>  
>  	BUG_ON(kmalloc_caches->size < sizeof(struct kmem_cache_node));
>  

Well local_irq_save is a bit of an overkill. We know that interrupts are 
enabled during this phase of the boot sequence.

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