Re: [Bugfix] sched: fix possible invalid memory access caused by CPU hot-addition

[Peter Zijlstra]

On Tue, Apr 22, 2014 at 01:27:15PM +0800, Jiang Liu wrote:
> When calling kzalloc_node(size, flags, node), we should first check
> whether node is onlined, otherwise it may cause invalid memory access
> as below.

But this is only for memory less node crap, right? 
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