Re: [PATCH 1/1] mm: Prevent dereferencing non-allocated per_cpu variables

On Tue, 27 Nov 2007, Andrew Morton wrote:

> hm.  Has anyone any evidence that we're actually touching
> not-possible-cpu's memory here?

I saw it in acpi when the __cpu_offset() pointers become zero. I have 
never seen it in vmstat.c. We do not need the vmstat.c fix.
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References:
- [PATCH 1/1] mm: Prevent dereferencing non-allocated per_cpu variables
  - From: [email protected]
- Re: [PATCH 1/1] mm: Prevent dereferencing non-allocated per_cpu variables
  - From: Andi Kleen <[email protected]>
- Re: [PATCH 1/1] mm: Prevent dereferencing non-allocated per_cpu variables
  - From: Andrew Morton <[email protected]>

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