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(parent: 17b3279) | patch
sched: RT-balance, optimize
authorGregory Haskins <ghaskins@novell.com>
Fri, 25 Jan 2008 20:08:13 +0000 (21:08 +0100)
committerIngo Molnar <mingo@elte.hu>
Fri, 25 Jan 2008 20:08:13 +0000 (21:08 +0100)
commit06f90dbd7610d51549004ea9c2ada337831eb292
tree952ce91bf158cee7fc3df0553496be524bc38b78tree | snapshot
parent17b3279b48835eb522d842eae16f541da3729c8acommit | diff
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>
kernel/sched_rt.c diff | blob | history
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