| commit | 6e0534f278199f1e3dd1049b9bc19a7a5b87ada1 | [log] [tgz] |
|---|---|---|
| author | Gregory Haskins <ghaskins@novell.com> | Mon May 12 21:21:01 2008 +0200 |
| committer | Ingo Molnar <mingo@elte.hu> | Fri Jun 06 15:19:28 2008 +0200 |
| tree | 25f4da14ec32927742db9f599ac779b4e83d1763 | |
| parent | f333fdc9098b71e2687e4e9b6349fcb352960d66 [diff] |
sched: use a 2-d bitmap for searching lowest-pri CPU The current code use a linear algorithm which causes scaling issues on larger SMP machines. This patch replaces that algorithm with a 2-dimensional bitmap to reduce latencies in the wake-up path. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Acked-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>