From 3a47e8771c43bc9775f667b8de35c873975aa42e Mon Sep 17 00:00:00 2001 From: Qi Zheng Date: Mon, 10 Nov 2025 16:44:37 +0800 Subject: [PATCH] mm: vmstat: correct the comment above preempt_disable_nested() 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. Link: https://lkml.kernel.org/r/20251110084437.46701-1-qi.zheng@linux.dev Signed-off-by: Qi Zheng Acked-by: Vlastimil Babka Acked-by: Harry Yoo Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Michal Hocko Cc: Mike Rapoport Cc: Suren Baghdasaryan Signed-off-by: Andrew Morton --- mm/vmstat.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/vmstat.c b/mm/vmstat.c index b53b07aa29e8..65de88cdf40e 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);