On 10/07/2013 06:29 AM, Mel Gorman wrote: > From: Peter Zijlstra <pet...@infradead.org> > > Use the new stop_two_cpus() to implement migrate_swap(), a function that > flips two tasks between their respective cpus. > > I'm fairly sure there's a less crude way than employing the stop_two_cpus() > method, but everything I tried either got horribly fragile and/or complex. So > keep it simple for now. > > The notable detail is how we 'migrate' tasks that aren't runnable > anymore. We'll make it appear like we migrated them before they went to > sleep. The sole difference is the previous cpu in the wakeup path, so we > override this. > > Signed-off-by: Peter Zijlstra <pet...@infradead.org> > Signed-off-by: Mel Gorman <mgor...@suse.de>
Reviewed-by: Rik van Riel <r...@redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
