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[86.9.27.184]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43656b3b2afsm374394575e9.35.2024.12.29.10.09.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Dec 2024 10:09:14 -0800 (PST) From: Jiwen Qi To: linux-mm@kvack.org Cc: rppt@kernel.org, Jiwen Qi Subject: [PATCH] mm/mm_init: Fix the zone->managed_pages comment to match the code Date: Sun, 29 Dec 2024 18:09:00 +0000 Message-Id: <20241229180900.49920-1-jiwen7.qi@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Rspamd-Queue-Id: 950F040005 X-Stat-Signature: ppssgx95k5h6x6rewu93818a7woji3xx X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1735495722-143503 X-HE-Meta: U2FsdGVkX1//MuVYVohUWPJI+QFUHtK2P0tVKh5YY9CH/sTIdNFkGYJFmtBpEvA4JNvoW6UH2eIm8SJ50U087LFGl9gz42TIizzOdZ7CZ4FgoXmZGL8Q0e8AhErKTiJZU9QxhIcB8DWRY27n3/LiBcynXCcchazlj+X3BYpk0ODvBNpxZfa8ShAgqCZURsvutKYOobSpyNg+72271aNvk9f5NRIGNN9sXYBCPpKW8W8o/D5dViUCWWbpIFpQBJ4+oUdP6U+Mo0FSRmdZCXjAIObtKBpcWU0p+X3LLi1XqGLvAPFhWvjRihA0mlABSLhbBBYpy6b4HH3vJ8k0KxzU4MQAE5GA4pZr38hxhqdVizIKvnkOQWv9EEnZst08wVjbAIym74XoTIqGiWQGdeI0rOI3Gs3FvPcYW6c9aa+/3WzVlMnJLRF9kIXE8nab8I8vDXImNWKhdW1sJQmnvq6mTeUNCgHgSRNOaEn9zY4juP9nbyEmfzPkNoSceszM03A+8KyVJgjQztrxUMTnq733Ra/TTVHUPF2sBs54BBEVsJ2sp472JWHiqb2oukyl3/k6/a19p27zWw6DfWRwv8+LtcIL9RsotTAJ7mRlTZB92RloXxQq0+lkuwckXo+4B0IEVo7lZhh0qfoRQHJz4CxhM8Tf3q/stpEweltMwpUg7aTaQMEXcGsiH8jJiuKEGCwh7fLBUdOYjKVroBOHpfbGSEKIiAt+NUbF6YnkBuukQ1gxczGLy3v1z4yQdgZ3InLk4MKDuTKSeKAOZWL9yzu85CjLuJ+lgUuc3vfBK88iQoxRb0sY+NQgVMLb+wDrJsGv9wtbaD6zL8Tq/NKt9sXurYSQS+RzMtXjNlF+2qVgiUDOD7NoRE7jSrmKSNPJbBWpaliHi0HWbQtWlgkGO8pTbFM6V79JG3OdbYEQ/vlNglAzDkVEiEcdSiMvFtObeCse9nZJvqQqLf59iXiYDYv U3ItF1Z0 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 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: The invocation of zone_init_internals(zone, j, nid, zone->present_pages) initializes zone->managed_pages to zone->present_pages. zone->present_pages is not 0 when the zone is not empty. Signed-off-by: Jiwen Qi --- mm/mm_init.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) base-commit: 4bbf9020becbfd8fc2c3da790855b7042fad455b diff --git a/mm/mm_init.c b/mm/mm_init.c index 24b68b425afb..6cf6243c4c52 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -1567,8 +1567,9 @@ static void __init free_area_init_core(struct pglist_data *pgdat) unsigned long size = zone->spanned_pages; /* - * Initialize zone->managed_pages as 0 , it will be reset - * when memblock allocator frees pages into buddy system. + * Initialize zone->managed_pages to zone->present_pages, it + * will be reset when memblock allocator frees pages into + * buddy system. */ zone_init_internals(zone, j, nid, zone->present_pages);