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Fri, 9 May 2025 01:17:46 +0800 (CST) Date: Fri, 9 May 2025 01:17:46 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Kent Overstreet" Cc: "Suren Baghdasaryan" , akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] alloc_tag: avoid mem alloc and iter reset when reading allocinfo X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2025 www.mailtech.cn 163com In-Reply-To: <5294252d.b74a.196b0d583c6.Coremail.00107082@163.com> References: <289b58f1.352d.196addbf31d.Coremail.00107082@163.com> <1ed4c8f7.3e12.196adf621a2.Coremail.00107082@163.com> <52tsrapmkfywv4kkdpravtfmxkhxchyua4wttpugihld4iws3r@atfgtbd5wwhx> <7bf1ee37.b6a4.196b0b6dce1.Coremail.00107082@163.com> <5294252d.b74a.196b0d583c6.Coremail.00107082@163.com> X-NTES-SC: AL_Qu2fBPuZu04t4CWZYukXn0oTju85XMCzuv8j3YJeN500tSTu1xw5Zm9ZHnDfws6lOxmhoAi0Xj5Pz8ZQTIhae6+V4r8K4co45vCxTSEEu3gA Content-Transfer-Encoding: base64 Content-Type: text/plain; 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