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authorRusty Russell <rusty@rustcorp.com.au>2008-11-25 02:35:04 +1030
committerIngo Molnar <mingo@elte.hu>2008-11-24 17:51:10 +0100
commit6a7b3dc3440f7b5a9b67594af01ed562cdeb41e4 (patch)
treefdbe54d2c9cd665c6a76ed09e9e4b7c51fb4df20 /include
parent6c99e9ad47d9c082bd096f42fb49e397b05d58a8 (diff)
downloadop-kernel-dev-6a7b3dc3440f7b5a9b67594af01ed562cdeb41e4.zip
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sched: convert nohz_cpu_mask to cpumask_var_t.
Impact: (future) size reduction for large NR_CPUS. Dynamically allocating cpumasks (when CONFIG_CPUMASK_OFFSTACK) saves space for small nr_cpu_ids but big CONFIG_NR_CPUS. cpumask_var_t is just a struct cpumask for !CONFIG_CPUMASK_OFFSTACK. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sched.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c5be6c6..1e33e2c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -249,7 +249,7 @@ extern void init_idle_bootup_task(struct task_struct *idle);
extern int runqueue_is_locked(void);
extern void task_rq_unlock_wait(struct task_struct *p);
-extern cpumask_t nohz_cpu_mask;
+extern cpumask_var_t nohz_cpu_mask;
#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
extern int select_nohz_load_balancer(int cpu);
#else
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