From: Qi Zheng The comment explaining why these parts use preempt_disable_nested() is in __mod_zone_page_state(), not in __mod_node_page_state(), so we should see __mod_zone_page_state(). Just correct it. Signed-off-by: Qi Zheng --- mm/vmstat.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/vmstat.c b/mm/vmstat.c index b53b07aa29e81..65de88cdf40e6 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -392,7 +392,7 @@ void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item, delta >>= PAGE_SHIFT; } - /* See __mod_node_page_state */ + /* See __mod_zone_page_state() */ preempt_disable_nested(); x = delta + __this_cpu_read(*p); @@ -438,7 +438,7 @@ void __inc_zone_state(struct zone *zone, enum zone_stat_item item) s8 __percpu *p = pcp->vm_stat_diff + item; s8 v, t; - /* See __mod_node_page_state */ + /* See __mod_zone_page_state() */ preempt_disable_nested(); v = __this_cpu_inc_return(*p); @@ -461,7 +461,7 @@ void __inc_node_state(struct pglist_data *pgdat, enum node_stat_item item) VM_WARN_ON_ONCE(vmstat_item_in_bytes(item)); - /* See __mod_node_page_state */ + /* See __mod_zone_page_state() */ preempt_disable_nested(); v = __this_cpu_inc_return(*p); @@ -494,7 +494,7 @@ void __dec_zone_state(struct zone *zone, enum zone_stat_item item) s8 __percpu *p = pcp->vm_stat_diff + item; s8 v, t; - /* See __mod_node_page_state */ + /* See __mod_zone_page_state() */ preempt_disable_nested(); v = __this_cpu_dec_return(*p); @@ -517,7 +517,7 @@ void __dec_node_state(struct pglist_data *pgdat, enum node_stat_item item) VM_WARN_ON_ONCE(vmstat_item_in_bytes(item)); - /* See __mod_node_page_state */ + /* See __mod_zone_page_state() */ preempt_disable_nested(); v = __this_cpu_dec_return(*p); -- 2.20.1