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authorIngo Molnar <mingo@elte.hu>2009-07-03 08:30:13 -0500
committerClark Williams <williams@redhat.com>2012-04-13 11:01:29 -0500
commitb9ec01f07aecea8bfb579413aa5ef7ca7773c35b (patch)
treede1a136bfa9cb990e08020f30c81930f6bd6cfdf /include/linux/vmstat.h
parent41601f902ad39571d2f565ee794755133d2c81ee (diff)
mm: make vmstat -rt aware
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/vmstat.h')
-rw-r--r--include/linux/vmstat.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 65efb92da996..1b3f2efd3ad0 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -29,7 +29,9 @@ DECLARE_PER_CPU(struct vm_event_state, vm_event_states);
static inline void __count_vm_event(enum vm_event_item item)
{
+ preempt_disable_rt();
__this_cpu_inc(vm_event_states.event[item]);
+ preempt_enable_rt();
}
static inline void count_vm_event(enum vm_event_item item)
@@ -39,7 +41,9 @@ static inline void count_vm_event(enum vm_event_item item)
static inline void __count_vm_events(enum vm_event_item item, long delta)
{
+ preempt_disable_rt();
__this_cpu_add(vm_event_states.event[item], delta);
+ preempt_enable_rt();
}
static inline void count_vm_events(enum vm_event_item item, long delta)