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

[Peter Zijlstra]

On Mon, 2010-09-13 at 17:20 +0200, Stephane Eranian wrote:

> That is the case we the sizes you have chosen today. For DS, we
> could round up to one page for now.

Markus chose the BTS size, for PEBS a single page was plenty since we do
single event things (although we could do multiple for attr.precise_ip <
2).

For DS there's:
  kmalloc_node(sizeof(struct ds), GFP_KERNEL | __GFP_ZERO, cpu_node(cpu));


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/