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authorIngo Molnar <mingo@kernel.org>2020-10-09 08:55:17 +0200
committerIngo Molnar <mingo@kernel.org>2020-10-09 08:55:17 +0200
commite705d397965811ac528d7213b42d74ffe43caf38 (patch)
tree8a5bbe85cc42e64992b97859976e307027f83e33 /include/linux/vmstat.h
parentd89d5f855f84ccf3f7e648813b4bb95c780bd7cd (diff)
parentbaffd723e44dc3d7f84f0b8f1fe1ece00ddd2710 (diff)
Merge branch 'locking/urgent' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/vmstat.h')
-rw-r--r--include/linux/vmstat.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 91220ace31da..7557c1070fd7 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -312,6 +312,11 @@ static inline void __mod_zone_page_state(struct zone *zone,
static inline void __mod_node_page_state(struct pglist_data *pgdat,
enum node_stat_item item, int delta)
{
+ if (vmstat_item_in_bytes(item)) {
+ VM_WARN_ON_ONCE(delta & (PAGE_SIZE - 1));
+ delta >>= PAGE_SHIFT;
+ }
+
node_page_state_add(delta, pgdat, item);
}