Re: [PATCH] ring_buffer: map to cpu not page

[Steven Rostedt]

On Thu, 2 Oct 2008, Steven Rostedt wrote:

> 
> My original patch had a compile bug when NUMA was configured. I
> referenced cpu when it should have been cpu_buffer->cpu.
> 
> Ingo quickly fixed this bug by replacing cpu with 'i' because that
> was the loop counter. Unfortunately, the 'i' was the counter of
> pages, not CPUs. This caused a crash when the number of pages allocated
> for the buffers exceeded the number of pages, which would usually

That should have been:

 "when the number of pages allocated for the buffers exceeded the number
  of cpus".

> be the case.
> 

-- Steve

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