sched: convert check_preempt_equal_prio to cpumask_var_t.

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Impact: stack reduction for large NR_CPUS

Dynamically allocating cpumasks (when CONFIG_CPUMASK_OFFSTACK) saves
stack space.

We simply return if the allocation fails: since we don't use it we
could just pass NULL to cpupri_find and have it handle that.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Rusty Russell 2008-11-25 02:35:13 +10:30 • committed by Ingo Molnar

parent 68e74568fb

commit 24600ce89a

1 changed files with 10 additions and 5 deletions

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kernel/sched_rt.c

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