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| author |   Gregory Haskins <ghaskins@novell.com> | 2008-01-25 21:08:13 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-01-25 21:08:13 +0100 |
| commit | 06f90dbd7610d51549004ea9c2ada337831eb292 (patch) | |
| tree | 952ce91bf158cee7fc3df0553496be524bc38b78 /kernel/timer.c | |
| parent | sched: break out early if RT task cannot be migrated (diff) | |
| download | linux-dev-06f90dbd7610d51549004ea9c2ada337831eb292.tar.xz linux-dev-06f90dbd7610d51549004ea9c2ada337831eb292.zip | |
sched: RT-balance, optimize
We can cheaply track the number of bits set in the cpumask for the lowest
priority CPUs. Therefore, compute the mask's weight and use it to skip
the optimal domain search logic when there is only one CPU available.
Signed-off-by: Gregory Haskins <ghaskins@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/timer.c')
0 files changed, 0 insertions, 0 deletions