+ mm-vmstat-inline-numa-event-counter-updates.patch added to -mm tree

+ mm-vmstat-inline-numa-event-counter-updates.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm/vmstat: inline NUMA event counter updates
has been added to the -mm tree.  Its filename is
     mm-vmstat-inline-numa-event-counter-updates.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-vmstat-inline-numa-event-counter-updates.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmstat-inline-numa-event-counter-updates.patch

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------------------------------------------------------
From: Mel Gorman <mgorman@techsingularity.net>
Subject: 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>
---

 include/linux/vmstat.h |   10 +++++++++-
 mm/vmstat.c            |    9 ---------
 2 files changed, 9 insertions(+), 10 deletions(-)

--- a/include/linux/vmstat.h~mm-vmstat-inline-numa-event-counter-updates
+++ a/include/linux/vmstat.h
@@ -238,7 +238,15 @@ static inline unsigned long zone_page_st
 }
 
 #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);
--- a/mm/vmstat.c~mm-vmstat-inline-numa-event-counter-updates
+++ a/mm/vmstat.c
@@ -938,15 +938,6 @@ void drain_zonestat(struct zone *zone, s
 #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
_

Patches currently in -mm which might be from mgorman@techsingularity.net are

mm-page_alloc-split-per-cpu-page-lists-and-zone-stats.patch
mm-page_alloc-convert-per-cpu-list-protection-to-local_lock.patch
mm-vmstat-convert-numa-statistics-to-basic-numa-counters.patch
mm-vmstat-inline-numa-event-counter-updates.patch
mm-page_alloc-batch-the-accounting-updates-in-the-bulk-allocator.patch
mm-page_alloc-reduce-duration-that-irqs-are-disabled-for-vm-counters.patch
mm-page_alloc-explicitly-acquire-the-zone-lock-in-__free_pages_ok.patch
mm-page_alloc-avoid-conflating-irqs-disabled-with-zone-lock.patch
mm-page_alloc-update-pgfree-outside-the-zone-lock-in-__free_pages_ok.patch