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Subject: mm/vmstat: Inline NUMA event counter updates
From: Mel Gorman <mgorman@techsingularity.net>
Date: Wed May 12 10:54:53 2021 +0100
From: Mel Gorman <mgorman@techsingularity.net>
__count_numa_event is small enough to be treated similarly to
__count_vm_event so inline it.
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/vmstat.h | 10 +++++++++-
mm/vmstat.c | 9 ---------
2 files changed, 9 insertions(+), 10 deletions(-)
---
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 59748bbbba4c..fe32a2210e73 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -238,7 +238,15 @@ static inline unsigned long zone_page_state_snapshot(struct zone *zone,
}
#ifdef CONFIG_NUMA
-extern void __count_numa_event(struct zone *zone, enum numa_stat_item item);
+/* See __count_vm_event comment on why raw_cpu_inc is used. */
+static inline void
+__count_numa_event(struct zone *zone, enum numa_stat_item item)
+{
+ struct per_cpu_zonestat __percpu *pzstats = zone->per_cpu_zonestats;
+
+ raw_cpu_inc(pzstats->vm_numa_event[item]);
+}
+
extern unsigned long sum_zone_node_page_state(int node,
enum zone_stat_item item);
extern unsigned long sum_zone_numa_event_state(int node, enum numa_stat_item item);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index c6434bab7feb..f71387aced32 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -938,15 +938,6 @@ void drain_zonestat(struct zone *zone, struct per_cpu_zonestat *pzstats)
#endif
#ifdef CONFIG_NUMA
-/* See __count_vm_event comment on why raw_cpu_inc is used. */
-void __count_numa_event(struct zone *zone,
- enum numa_stat_item item)
-{
- struct per_cpu_zonestat __percpu *pzstats = zone->per_cpu_zonestats;
-
- raw_cpu_inc(pzstats->vm_numa_event[item]);
-}
-
/*
* Determine the per node value of a stat item. This function
* is called frequently in a NUMA machine, so try to be as
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