summaryrefslogtreecommitdiffstats
path: root/include/linux/vmstat.h
diff options
context:
space:
mode:
authorMel Gorman <mgorman@techsingularity.net>2021-06-28 19:41:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-29 10:53:54 -0700
commit3ac44a346a50988131db124a7e4bb99d3ec71706 (patch)
tree2ebdc509622253d15cfe06d932898439976d34e6 /include/linux/vmstat.h
parentf19298b9516c1a031b34b4147773457e3efe743b (diff)
downloadlinux-3ac44a346a50988131db124a7e4bb99d3ec71706.tar.bz2
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>
Diffstat (limited to 'include/linux/vmstat.h')
-rw-r--r--include/linux/vmstat.h10
1 files changed, 9 insertions, 1 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);