From: Mike Travis Date: Tue, 15 Jul 2008 21:14:33 +0000 (-0700) Subject: cpumask: Optimize cpumask_of_cpu in drivers/misc/sgi-xp/xpc_main.c X-Git-Tag: v2.6.27-rc1~848^2~14 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=333cdd1f0e5e0aad6b7f8992291563bc7b14670b;p=linux-2.6 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 Signed-off-by: Ingo Molnar --- diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index 08256ed0d9..579b01ff82 100644 --- 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);