From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3B76E77197 for ; Thu, 9 Jan 2025 11:48:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 58B7F6B008A; Thu, 9 Jan 2025 06:48:52 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 53A976B008C; Thu, 9 Jan 2025 06:48:52 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 429E86B0092; Thu, 9 Jan 2025 06:48:52 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 24CDD6B008A for ; Thu, 9 Jan 2025 06:48:52 -0500 (EST) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 8FB04817DB for ; Thu, 9 Jan 2025 11:48:51 +0000 (UTC) X-FDA: 82987741662.23.1AF44C1 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by imf18.hostedemail.com (Postfix) with ESMTP id B0C281C0003 for ; Thu, 9 Jan 2025 11:48:48 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf18.hostedemail.com: domain of tianmuyang@huawei.com designates 45.249.212.190 as permitted sender) smtp.mailfrom=tianmuyang@huawei.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1736423329; a=rsa-sha256; cv=none; b=I4MF/1EKu5aNerIbp1WaPdyUOM5wcn/hRDkDVRScueXmKueTUYoAOUaZOKLwWWetvXazIv JFWoJ11FNIKSUeINcacrotwXq2ho+OKBhiZpwPdfDpjIrXz3Jqtr1uqwH8mdLwQU7DBaKv DwgabZjIInm189+UBaCLhDJeTAWFO74= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf18.hostedemail.com: domain of tianmuyang@huawei.com designates 45.249.212.190 as permitted sender) smtp.mailfrom=tianmuyang@huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1736423329; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uJhYBQSeIgqDPXkb+kCoHBBEZ96izkgG3jglCpgg8hQ=; b=dNtyQGEoxWhP2dL0Er7bJ/CQl6Fo1Bm23/Dx5WhE/msvhoffmlI6Zafs8ESg39Fzj4iDor UwOPAvk8tLnhH2wf1mZRAmKUEztRao2pNnHwi87f1aQrkfTtzXeKV+YLISv33W4YaxlPvL zVQtFH0FL9Ya0u7hSpRrKNv6dbXlev4= Received: from mail.maildlp.com (unknown [172.19.163.17]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4YTNJj4RTQz2DkMC; Thu, 9 Jan 2025 19:45:41 +0800 (CST) Received: from dggpemf500014.china.huawei.com (unknown [7.185.36.43]) by mail.maildlp.com (Postfix) with ESMTPS id 6066F1A0188; Thu, 9 Jan 2025 19:48:44 +0800 (CST) Received: from huawei.com (10.175.101.6) by dggpemf500014.china.huawei.com (7.185.36.43) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 9 Jan 2025 19:48:43 +0800 From: Muyang Tian To: CC: , , , , , , , , , , , , , Subject: Re: [RFC PATCH 0/2] mm: multi-gen LRU: per-process heatmaps Date: Thu, 9 Jan 2025 19:48:47 +0800 Message-ID: <20250109114847.539237-1-tianmuyang@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemf500014.china.huawei.com (7.185.36.43) X-Stat-Signature: w3jeegwqaw84zki6k4wj15bfy9ah719y X-Rspam-User: X-Rspamd-Queue-Id: B0C281C0003 X-Rspamd-Server: rspam08 X-HE-Tag: 1736423328-959165 X-HE-Meta: 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 uutbwjm5 G7pc8vN50cyE/sEXUKUMs5jUNAFHvPnficRm5fzzIcxOcrOPUgjaI138lZsmCFQ7pJ4rSI/ERpBo7929yq5m35kb3vsyo7tUcZiWEf2D+EocYwiNhbmBAMfRgB7PyzwXyXpMje8cNbjvl1NauUFSFIdnfaw== 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: Hi Yuanchu, I'm working on observability and the programmable page generation policy of MGLRU based on eBPF, using a similar approach to yours. I'd like to know if there is any related work, such as the application of eBPF in MGLRU? Also, this RFC provides a user space interface to call run_aging(), which is called periodically in the demo. Do you plan to optimize this, perhaps by calling run_aging() based on page access observation results? Thanks!