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(parent: 68e7456) | patch
sched: convert check_preempt_equal_prio to cpumask_var_t.
authorRusty Russell <rusty@rustcorp.com.au>
Mon, 24 Nov 2008 16:05:13 +0000 (02:35 +1030)
committerIngo Molnar <mingo@elte.hu>
Mon, 24 Nov 2008 16:52:28 +0000 (17:52 +0100)
commit24600ce89a819a8f2fb4fd69fd777218a82ade20
tree01a0e82bb6396b6f5de6300bd30d34e4fb0c76e7tree | snapshot
parent68e74568fbe5854952355e942acca51f138096d9commit | diff
sched: convert check_preempt_equal_prio to cpumask_var_t.

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>
kernel/sched_rt.c diff | blob | history
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