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Date: Mon, 21 Dec 2009 09:57:32 +0200
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Subject: Re: [PATCH] [0/11] SYSCTL: Use RCU to avoid races with string sysctls
From: Alexey Dobriyan <adobriyan@gmail.com>
To: andi@firstfloor.org
Cc: linux-kernel@vger.kernel.org, ebiederm@xmission.com,
       paulmck@linux.vnet.ibm.com
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> new = alloc_rcu_string(MAX_GLOBAL_SIZE, GFP_KERNEL);

I think adding failure mode is not right.
We can get away with per-sysctl-string spinlock and not introduce yet
another API.