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authorIngo Molnar <mingo@elte.hu>2009-07-03 13:30:13 (GMT)
committerScott Wood <scottwood@freescale.com>2014-05-14 18:38:04 (GMT)
commit4d1b686e6bc40ce3f9af81c6c6ee63a75ab3673a (patch)
tree3a5bc3d1ff52d5930f10ef6503936c106c9d6242 /include/linux
parentd0ba72d710f91713762bddfb3a85ff84ebc31332 (diff)
downloadlinux-fsl-qoriq-4d1b686e6bc40ce3f9af81c6c6ee63a75ab3673a.tar.xz
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')
-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 a67b384..1ea2fd5 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)