Commit-ID: e777b63bbd589248eb151a3191ee92331a701385 Gitweb: http://git.kernel.org/tip/e777b63bbd589248eb151a3191ee92331a701385 Author: Wanpeng Li <[email protected]> AuthorDate: Thu, 12 Dec 2013 15:23:26 +0800 Committer: Ingo Molnar <[email protected]> CommitDate: Tue, 17 Dec 2013 15:24:41 +0100
sched/numa: Fix period_slot recalculation The original code is as intended and was meant to scale the difference between the NUMA_PERIOD_THRESHOLD and local/remote ratio when adjusting the scan period. The period_slot recalculation can be dropped. Signed-off-by: Wanpeng Li <[email protected]> Reviewed-by: Naoya Horiguchi <[email protected]> Acked-by: Mel Gorman <[email protected]> Acked-by: David Rientjes <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Rik van Riel <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- kernel/sched/fair.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 37892d7..4316af2 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1342,7 +1342,6 @@ static void update_task_scan_period(struct task_struct *p, * scanning faster if shared accesses dominate as it may * simply bounce migrations uselessly */ - period_slot = DIV_ROUND_UP(diff, NUMA_PERIOD_SLOTS); ratio = DIV_ROUND_UP(private * NUMA_PERIOD_SLOTS, (private + shared)); diff = (diff * ratio) / NUMA_PERIOD_SLOTS; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
