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

[Andrew Morton]

On Tue, 22 Apr 2014 10:15:15 +0200 Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> 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? 

um, why are memoryless nodes crap?
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