aboutsummaryrefslogtreecommitdiff
path: root/mm/vmstat.c
diff options
context:
space:
mode:
authorMinchan Kim <minchan.kim@gmail.com>2010-08-09 17:18:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 20:44:57 -0700
commit31f961a89bd1cb9baaf32af4bd8b571ace3447b1 (patch)
treeadd1380e479ff92ad92da090e606857162b88e66 /mm/vmstat.c
parent0aad4b3124850e85fe54e610802f0917ce46a1ae (diff)
downloadvexpress-lsk-31f961a89bd1cb9baaf32af4bd8b571ace3447b1.tar.gz
mm: use for_each_online_cpu() in vmstat
The sum_vm_events passes cpumask for for_each_cpu(). But it's useless since we have for_each_online_cpu. Althougth it's tirival overhead, it's not good about coding consistency. Let's use for_each_online_cpu instead of for_each_cpu with cpumask argument. Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Christoph Lameter <cl@linux-foundation.org> Reviewed-by: 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>
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 7759941d4e7..15a14b16e17 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -22,14 +22,14 @@
DEFINE_PER_CPU(struct vm_event_state, vm_event_states) = {{0}};
EXPORT_PER_CPU_SYMBOL(vm_event_states);
-static void sum_vm_events(unsigned long *ret, const struct cpumask *cpumask)
+static void sum_vm_events(unsigned long *ret)
{
int cpu;
int i;
memset(ret, 0, NR_VM_EVENT_ITEMS * sizeof(unsigned long));
- for_each_cpu(cpu, cpumask) {
+ for_each_online_cpu(cpu) {
struct vm_event_state *this = &per_cpu(vm_event_states, cpu);
for (i = 0; i < NR_VM_EVENT_ITEMS; i++)
@@ -45,7 +45,7 @@ static void sum_vm_events(unsigned long *ret, const struct cpumask *cpumask)
void all_vm_events(unsigned long *ret)
{
get_online_cpus();
- sum_vm_events(ret, cpu_online_mask);
+ sum_vm_events(ret);
put_online_cpus();
}
EXPORT_SYMBOL_GPL(all_vm_events);