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[PATCH] sched: hardcode non-smp set_cpus_allowed

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Simplify the UP (1 CPU) implementatin of set_cpus_allowed.

The one CPU is hardcoded to be cpu 0 - so just test for that bit, and avoid
having to pick up the cpu_online_map.

Also, unexport cpu_online_map: it was only needed for set_cpus_allowed().

Signed-off-by: Paul Jackson <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Paul Jackson 2005-10-30 15:03:21 -08:00 • committed by Linus Torvalds
commit 4098f9918e
2 changed files with 1 additions and 2 deletions
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1
kernel/sched.c
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@ -3877,7 +3877,6 @@ EXPORT_SYMBOL(cpu_present_map);
#ifndef CONFIG_SMP
cpumask_t cpu_online_map = CPU_MASK_ALL;
EXPORT_SYMBOL_GPL(cpu_online_map);
cpumask_t cpu_possible_map = CPU_MASK_ALL;
#endif