cpumask: Optimize cpumask_of_cpu in drivers/misc/sgi-xp/xpc_main.c

  * Optimize various places where a pointer to the cpumask_of_cpu value
    will result in reducing stack pressure.

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index 08256ed..579b01f 100644 (file)
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -229,10 +229,11 @@ xpc_hb_checker(void *ignore)
        int last_IRQ_count = 0;
        int new_IRQ_count;
        int force_IRQ = 0;
+       cpumask_of_cpu_ptr(cpumask, XPC_HB_CHECK_CPU);
 
        /* this thread was marked active by xpc_hb_init() */
 
-       set_cpus_allowed(current, cpumask_of_cpu(XPC_HB_CHECK_CPU));
+       set_cpus_allowed_ptr(current, cpumask);
 
        /* set our heartbeating to other partitions into motion */
        xpc_hb_check_timeout = jiffies + (xpc_hb_check_interval * HZ);