Messages in this thread |  | | | Date | Fri, 20 Apr 2007 12:33:13 -0700 (PDT) | | From | Christoph Lameter <> | | Subject | Re: [patch] CFS scheduler, v3 |
| |
On Fri, 20 Apr 2007, William Lee Irwin III wrote:
> On Wed, 18 Apr 2007, William Lee Irwin III wrote: > >> > >> Mark the runqueues ____cacheline_aligned_in_smp to avoid false sharing. > > On Fri, Apr 20, 2007 at 12:24:17PM -0700, Christoph Lameter wrote: > > False sharing for a per cpu data structure? Are we updating that > > structure from other processors? > > Primarily in the load balancer, but also in wakeups.
That is fairly rare I think. What other variables that are also writtten frequently would cause false sharing?
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |