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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1762764290; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=i1AWXzCfEqRFFIgfi716ObTY/oClLhe/oFlQHVuhgXk=; b=b/MLsFTkzOowsCnABlSuNUL72SnXg7YGrxD47ixZas0WMQ01U5vWwdV2i3JmnO44oA1CPs jT78saeR97gCQPqp0dgjiQZjrmFW0qcXgGjS3apHrL6YorW+mpRRbo2YC0KrdFxupIN7re BxtmGk09LyUkCZuNLHKAgW6iaqNG9/k= From: Qi Zheng To: akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, harry.yoo@oracle.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Qi Zheng Subject: [PATCH] mm: vmstat: correct the comment above preempt_disable_nested() Date: Mon, 10 Nov 2025 16:44:37 +0800 Message-ID: <20251110084437.46701-1-qi.zheng@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 14AFE1C0004 X-Stat-Signature: ikpxdm7f6zehamx98me75hyyekmwgdnw X-HE-Tag: 1762764292-557565 X-HE-Meta: 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 ehLmGx1Q zgqiu7RiQ+7lqDpyw1/nVlchHFRTsdHqTwleCV6yhJCiKm6AR9mNM5CiUbHiAnPKQQGfu9GKNDXMITa8Uq4c1nAfCn9YC85NRGcYyVMc2IMGQmcQWIF7odvryWsG8U8XHMVdYGRBZ+pLQK0ogDxloFlFBeMiU+MApVQZ7ocsasSgnVIg+znJpbkGj8Kf2jrn2VWDmVltnt+t1ecUuj2sQRdW1TIgbGv+a4pCaI/6H6IFxbP+ovxbJAbkdajMG+3/CO0i47PAfGGeeVbA= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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