diff options
| author | Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> | 2012-03-28 23:42:46 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-29 02:14:35 +0200 |
| commit | 38b93780a5381961ad92d24ab9a12a964189a3a4 (patch) | |
| tree | 1d157e768930b91f222a7aaf1093ff982f2a9690 | |
| parent | mm: only IPI CPUs to drain local pages if they exist (diff) | |
| download | linux-38b93780a5381961ad92d24ab9a12a964189a3a4.tar.xz linux-38b93780a5381961ad92d24ab9a12a964189a3a4.zip | |
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.h | 3 | ||||
| -rw-r--r-- | lib/cpumask.c | 12 |
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) #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)), \ 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) 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) |