cpumask: Optimize cpumask_of_cpu in drivers/misc/sgi-xp/xpc_main.c (333cdd1f) · Commits · 戴 / test

* Optimize various places where a pointer to the cpumask_of_cpu value will result in reducing stack pressure. Signed-off-by:

drivers/misc/sgi-xp/xpc_main.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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);