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Commit 38b93780 authored by Srivatsa S. Bhat's avatar Srivatsa S. Bhat Committed by Linus Torvalds
Browse files

lib/cpumask.c: remove __any_online_cpu() 



__any_online_cpu() is not optimal and also unnecessary.  So, replace its
use by faster cpumask_* operations.

Signed-off-by: default avatarSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Venkatesh Pallipadi <venki@google.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 74046494

include/linux/cpumask.h

+1 −2
Original line number Diff line number Diff line
@@ -810,11 +810,10 @@ static inline const struct cpumask *get_cpu_mask(unsigned int cpu) 
#else /* NR_CPUS > 1 */

int __first_cpu(const cpumask_t *srcp);

int __next_cpu(int n, const cpumask_t *srcp);

int __any_online_cpu(const cpumask_t *mask);



#define first_cpu(src)		__first_cpu(&(src))

#define next_cpu(n, src)	__next_cpu((n), &(src))

#define any_online_cpu(mask) __any_online_cpu(&(mask))

#define any_online_cpu(mask) cpumask_any_and(&mask, cpu_online_mask)

#define for_each_cpu_mask(cpu, mask)			\

	for ((cpu) = -1;				\

		(cpu) = next_cpu((cpu), (mask)),	\

lib/cpumask.c

+0 −12
Original line number Diff line number Diff line
@@ -26,18 +26,6 @@ int __next_cpu_nr(int n, const cpumask_t *srcp) 
EXPORT_SYMBOL(__next_cpu_nr);

#endif



int __any_online_cpu(const cpumask_t *mask)

{

	int cpu;



	for_each_cpu(cpu, mask) {

		if (cpu_online(cpu))

			break;

	}

	return cpu;

}

EXPORT_SYMBOL(__any_online_cpu);



/**

 * cpumask_next_and - get the next cpu in *src1p & *src2p

 * @n: the cpu prior to the place to search (ie. return will be > @n)