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Wed, 17 Dec 2025 12:08:43 -0800 (PST) Received: from pc636 ([2001:9b1:d5a0:a500::800]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59a13405d1esm73340e87.60.2025.12.17.12.08.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Dec 2025 12:08:42 -0800 (PST) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Wed, 17 Dec 2025 21:08:41 +0100 To: Ryan Roberts Cc: Uladzislau Rezki , linux-mm@kvack.org, Andrew Morton , Vishal Moola , Dev Jain , Baoquan He , LKML Subject: Re: [PATCH 2/2] mm/vmalloc: Add attempt_larger_order_alloc parameter Message-ID: References: <20251216211921.1401147-1-urezki@gmail.com> <20251216211921.1401147-2-urezki@gmail.com> <6ca6e796-cded-4221-b1f8-92176a80513e@arm.com> <0f69442d-b44e-4b30-b11e-793511db9f1e@arm.com> <4a66f13d-318b-4cdb-b168-0c993ff8a309@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4a66f13d-318b-4cdb-b168-0c993ff8a309@arm.com> X-Stat-Signature: dh4d4mz7i657r78qyzad9rcso6m3pji7 X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 80E70C0007 X-HE-Tag: 1766002125-310607 X-HE-Meta: U2FsdGVkX18SkoybhmzaA/53s9tClYgY0Lx1voDK0Zw9w+dC+7QQ1ZXKdQgv5KHA8cLrcTR+nPmxMdQHb95eYvz9w4a2zioWdXFwfts5LDTZiQRfGBJwfgAmn62pdvnS1IXONkiPRHD0c4eapGMLov2hGD4Gps8j5e0M25NWNk14gTTWkbbzjXMpdRhF85oDGJbHvQYSydPJm2HuoImS4laFCKAupsMJEmdsyLAMlT3MKrEBfqRyouYw2u5RnEr5MOALt3itz6wyUxxRain7k+KQfa1sdfrSRkUT/ZeXkUxqzHJrFksrmUKEhwxTYNKCNSIJc6CaEEzwc96xo11haG6EHV7PfJwbVrAsj/BIXLP6PQjwUpzGMNlnflb3TptlyrVA5Rql5B39q7TqcD+lgVwfLa4nU5fUy99l4/4GNd3Q9ei8QMcrCSG5y8npou9wAcMS8/DkjW0HIW+5R5/RHM2NDJ70Qpzd6Q+sQqfvLBmKYLS+JhejUeD5+sujaYVaIC+kLZeYJn3JVjEHHL3S8BiAFmA4L1GyOOlKTc1OqSGaGgJoeq7FZGNI6f7LX6dSQkwqFr/fbLvwMw74kRZGDq8pmL8NHT7AtT7JA7YhehYLoe1j3tBnBbUfxeL49MkVACY2WSyb6TPCDG88+ppRnkzN2/lqw9rHWeAwcRPiS+HJJFaASfDnaRYy4S/KYBRTUvLfjoxr8REDUB0AzhRZWeqdgi62t3uDpPrJNgUGOLlJbVYYF7JeAOJrPkhoNnetLP+geef5tTSWovA4bVS6WU4mMYQIoQyDN3AN2yKt5PZLxE4Kp2ipzYMIPbuKoARNOdKxN42tt62iGP6W2jTZm6e6bK7Vo2a/yahPUcwA75qbuadY3KaHOr+jG5I5j7b/l/MLJHMUSbK7koPMSHTpT8xanKVEuZL8zxAHZgABYVBLCNSOfaY6BejKCF7GNc2NEKn1ejz+Af1E1I+Rv5R GkX1A2Va 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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: > > What do you think? > I think with such big improvement we do not need a configuration knob. Your change will fully complete Vishal's work, i.e an idea to allocate using high-order pages. -- Uladzislau Rezki