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authorSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>2012-03-28 17:42:46 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-28 20:14:35 -0400
commit38b93780a5381961ad92d24ab9a12a964189a3a4 (patch)
tree1d157e768930b91f222a7aaf1093ff982f2a9690
parent74046494ea68676d29ef6501a4bd950f08112a2c (diff)
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: Srivatsa 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/cpumask.h3
-rw-r--r--lib/cpumask.c12
2 files changed, 1 insertions, 14 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 7b9b75a529be..1ffdb9856bb9 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -810,11 +810,10 @@ static inline const struct cpumask *get_cpu_mask(unsigned int cpu)
810#else /* NR_CPUS > 1 */ 810#else /* NR_CPUS > 1 */
811int __first_cpu(const cpumask_t *srcp); 811int __first_cpu(const cpumask_t *srcp);
812int __next_cpu(int n, const cpumask_t *srcp); 812int __next_cpu(int n, const cpumask_t *srcp);
813int __any_online_cpu(const cpumask_t *mask);
814 813
815#define first_cpu(src) __first_cpu(&(src)) 814#define first_cpu(src) __first_cpu(&(src))
816#define next_cpu(n, src) __next_cpu((n), &(src)) 815#define next_cpu(n, src) __next_cpu((n), &(src))
817#define any_online_cpu(mask) __any_online_cpu(&(mask)) 816#define any_online_cpu(mask) cpumask_any_and(&mask, cpu_online_mask)
818#define for_each_cpu_mask(cpu, mask) \ 817#define for_each_cpu_mask(cpu, mask) \
819 for ((cpu) = -1; \ 818 for ((cpu) = -1; \
820 (cpu) = next_cpu((cpu), (mask)), \ 819 (cpu) = next_cpu((cpu), (mask)), \
diff --git a/lib/cpumask.c b/lib/cpumask.c
index 0b660118ed91..402a54ac35cb 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -26,18 +26,6 @@ int __next_cpu_nr(int n, const cpumask_t *srcp)
26EXPORT_SYMBOL(__next_cpu_nr); 26EXPORT_SYMBOL(__next_cpu_nr);
27#endif 27#endif
28 28
29int __any_online_cpu(const cpumask_t *mask)
30{
31 int cpu;
32
33 for_each_cpu(cpu, mask) {
34 if (cpu_online(cpu))
35 break;
36 }
37 return cpu;
38}
39EXPORT_SYMBOL(__any_online_cpu);
40
41/** 29/**
42 * cpumask_next_and - get the next cpu in *src1p & *src2p 30 * cpumask_next_and - get the next cpu in *src1p & *src2p
43 * @n: the cpu prior to the place to search (ie. return will be > @n) 31 * @n: the cpu prior to the place to search (ie. return will be > @n)