The patch titled
Subject: mm/vmstat: add note on safety of drain_zonestat
has been added to the -mm tree. Its filename is
mm-vmstat-add-note-on-safety-of-drain_zonestat.patch
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------------------------------------------------------
From: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
Subject: mm/vmstat: add note on safety of drain_zonestat
Signed-off-by: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmstat.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN mm/vmstat.c~mm-vmstat-add-note-on-safety-of-drain_zonestat mm/vmstat.c
--- a/mm/vmstat.c~mm-vmstat-add-note-on-safety-of-drain_zonestat
+++ a/mm/vmstat.c
@@ -493,6 +493,10 @@ void refresh_cpu_vm_stats(int cpu)
atomic_long_add(global_diff[i], &vm_stat[i]);
}
+/*
+ * this is only called if !populated_zone(zone), which implies no other users of
+ * pset->vm_stat_diff[] exsist.
+ */
void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset)
{
int i;
_
Patches currently in -mm which might be from cody@xxxxxxxxxxxxxxxxxx are
linux-next.patch
page_alloc-make-setup_nr_node_ids-usable-for-arch-init-code.patch
x86-mm-numa-use-setup_nr_node_ids-instead-of-opencoding.patch
powerpc-mm-numa-use-setup_nr_node_ids-instead-of-opencoding.patch
powerpc-mm-numa-use-setup_nr_node_ids-instead-of-opencoding-fix.patch
mm-vmstat-add-note-on-safety-of-drain_zonestat.patch
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