mm/vmstat: inline NUMA event counter updates

__count_numa_event is small enough to be treated similarly to
__count_vm_event so inline it.

Link: https://lkml.kernel.org/r/20210512095458.30632-5-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 59748bb..fe32a22 100644 (file)
--- 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 0e27b62..b0534e0 100644 (file)
--- 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