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Wed, 24 May 2023 21:02:46 -0700 (PDT) From: Haifeng Xu To: akpm@linux-foundation.org Cc: mhocko@suse.com, david@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Haifeng Xu Subject: [PATCH 1/3] mm/mm_init.c: remove comments in zone_spanned_pages_in_node() and zone_absent_pages_in_node() Date: Thu, 25 May 2023 04:01:48 +0000 Message-Id: <20230525040150.1588-1-haifeng.xu@shopee.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Stat-Signature: q9sgyu7fcqaztjj88jsru36u85sr5fqc X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 23BAF40002 X-HE-Tag: 1684987367-977804 X-HE-Meta: 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 H0zx+IZh UD+kbxqNiTFq8tGyEdZsXl4Uk6z/2wARRDYj5vA8C0HcuANUUptqAsuOvM5Pv2Fod5vwo/rSocI+4cuha6QeiD6iBGVXQDLljkZfsyMpQGighWznlA1SCHgg/lCIE4AZbjIJuixgXt7KZuGibuPTpyfJYn6cAckChx/te1gGjygYaiIzACDt3Xos6/u6iQdcRZwnq+3TvLZbwJuWDdocGoZpJahjThLVrF/YjSGVErpyY65Mob0kz4WxxcHukkZg2w+CkjVs6xDzbITH4Mj8JXWPsGzHz6ne0F7axJHRFCqPAHMBc5havf7fTG7nxInDK+gUg2ktEjsjWRPR6RZT93PgZ9Pa10Q3wVyXGUC0IH+B8kPlGflex/h7jwc4Q2l+UY1Z/mHNQZJUCgBe/z1bJ5JHrRXyzg99YZOGhKkG97EuVfYQ9AlWNykfFCvM0twQ8WU3X 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: Since commit 03e85f9d5f1f ("mm/page_alloc: Introduce free_area_init_core_hotplug"), free_area_init_node() doesn't get called in hotplug path anymore, so remove the comments related to it. Signed-off-by: Haifeng Xu --- mm/mm_init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/mm_init.c b/mm/mm_init.c index 7f7f9c677854..cf55bba04b23 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -1174,7 +1174,6 @@ static unsigned long __init zone_absent_pages_in_node(int nid, unsigned long zone_start_pfn, zone_end_pfn; unsigned long nr_absent; - /* When hotadd a new node from cpu_up(), the node should be empty */ if (!node_start_pfn && !node_end_pfn) return 0; @@ -1227,7 +1226,7 @@ static unsigned long __init zone_spanned_pages_in_node(int nid, { unsigned long zone_low = arch_zone_lowest_possible_pfn[zone_type]; unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type]; - /* When hotadd a new node from cpu_up(), the node should be empty */ + if (!node_start_pfn && !node_end_pfn) return 0; -- 2.25.1