Re: [PATCH] perf_events: improve DS/BTS/PEBS buffer allocation

Peter Zijlstra
2010-09-13T17:36:34Z

On Mon, 2010-09-13 at 19:24 +0200, Stephane Eranian wrote:
> Based on this comment, I assume that the only reason the allocation
> of the sampling buffer in perf_buffer_alloc() is immune to this is because
> you are allocating each page individually (order 0). Right?

Right, and I software stitch the bits together.