Re: slub: use irqsafe_cpu_cmpxchg for put_cpu_partial

[David Rientjes]

On Wed, 23 Nov 2011, Christoph Lameter wrote:

> Subject: slub: use irqsafe_cpu_cmpxchg for put_cpu_partial
> 
> The cmpxchg must be irq safe. The fallback for this_cpu_cmpxchg only
> disables preemption which results in per cpu partial page operation
> potentially failing on non x86 platforms.
> 
> Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
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