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imf30.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf30.hostedemail.com: domain of rakie.kim@sk.com designates 166.125.252.92 as permitted sender) smtp.mailfrom=rakie.kim@sk.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1741595010; a=rsa-sha256; cv=none; b=Oz4J2LZSM9pfGW/abMiJP2NRKOmTpKAoNH2OWTktBqStGnxsMDzXleWmKxsEJ8Z2ws2YVF jXQMHGYWBFw7LGQ3V9STpB2ybtxBNgs6ERkmDiMFBPISJieo4vusNCcfFf1LAiTTmNJ/+1 dpVYq3q88cb0cYQkn/TzuRMqEPUmNgw= X-AuditID: a67dfc5b-3c9ff7000001d7ae-45-67cea17bf4e7 From: Rakie Kim To: Gregory Price Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org, joshua.hahnjy@gmail.com, dan.j.williams@intel.com, ying.huang@linux.alibaba.com, kernel_team@skhynix.com, honggyu.kim@sk.com, yunjeong.mun@sk.com, Rakie Kim Subject: Re: [PATCH 4/4] mm/mempolicy: Fix memory leaks in mempolicy_sysfs_init() Date: Mon, 10 Mar 2025 17:23:03 +0900 Message-ID: <20250310082313.584-1-rakie.kim@sk.com> X-Mailer: git-send-email 2.48.1.windows.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrFLMWRmVeSWpSXmKPExsXC9ZZnkW71wnPpBlNPGljMWb+GzWL61AuM Fj/vHme3OL51HrvF+VmnWCwu75rDZnFvzX9Wi9VrMhw4PHbOusvu0d12md1j8Z6XTB6bPk1i 9zgx4zeLx86Hlh6fN8kFsEdx2aSk5mSWpRbp2yVwZfx4+ZO1oImj4tfDsAbGbWxdjJwcEgIm Ems/HmCBsX82PQeKc3CwCShJHNsbA2KKCKhKtF1x72Lk4mAWWM8k8XrTLLBWYYFAiVszvjKC 2CxANWs2HAKL8woYS5xYu4wJYqSmRMOle2A2p4CZxMyTk8BWCQnwSLzasJ8Rol5Q4uTMJ2Bx ZgF5ieats5kheo+wSbxrUYSwJSUOrrjBMoGRfxaSlllIWhYwMq1iFMrMK8tNzMwx0cuozMus 0EvOz93ECAzhZbV/oncwfroQfIhRgINRiYf3wbyz6UKsiWXFlbmHGCU4mJVEeNW2n0oX4k1J rKxKLcqPLyrNSS0+xCjNwaIkzmv0rTxFSCA9sSQ1OzW1ILUIJsvEwSnVwFgf/OOKy4vsWyYp WdsXtqt/LZ67kHvtZd8FLGnStcvsyqrj3U5uy5DaO//V0o4LpdF7bPbt211erRoiYX+9O6lv RtRWW9as0gKG8EITyfqNmr8UNnj0xa6TuKz85ckJ+3M/r03mWLN4ZUZ/5cp913ZuTbsvxjpD pOvm323q7D3Xy+V6OM37W5RYijMSDbWYi4oTAQq63LVdAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKLMWRmVeSWpSXmKPExsXCNUNNS7d64bl0g8971SzmrF/DZjF96gVG i593j7NbfH72mtni+NZ57BaH555ktTg/6xSLxeVdc9gs7q35z2px6NpzVovVazIsfm9bwebA 47Fz1l12j+62y+wei/e8ZPLY9GkSu8eJGb9ZPHY+tPT4dtvDY/GLD0wenzfJBXBGcdmkpOZk lqUW6dslcGX8ePmTtaCJo+LXw7AGxm1sXYycHBICJhI/m54D2RwcbAJKEsf2xoCYIgKqEm1X 3LsYuTiYBdYzSbzeNAusXFggUOLWjK+MIDYLUM2aDYfA4rwCxhIn1i5jghipKdFw6R6YzSlg JjHz5CQWEFtIgEfi1Yb9jBD1ghInZz4BizMLyEs0b53NPIGRZxaS1CwkqQWMTKsYRTLzynIT M3NM9YqzMyrzMiv0kvNzNzECA3dZ7Z+JOxi/XHY/xCjAwajEw/tg3tl0IdbEsuLK3EOMEhzM SiK8attPpQvxpiRWVqUW5ccXleakFh9ilOZgURLn9QpPTRASSE8sSc1OTS1ILYLJMnFwSjUw VtfU1B424nN71FzTcenQ3Y1n2YWKjJpnZZ+2dq9hvLVrdtsrnvLansv/rr1UO3Kl7Xuqx5mL d3PtHTe2dKy9ZX3twqZn/TUu61J1TunGiB9ZKN/ULBHk0MB0+e+G7d+endz2wuf1Pvej32dV K2q3bE33LjULCpCZdUYg49v/uUFPjmzJSJ8uqMRSnJFoqMVcVJwIAPNFUWVYAgAA X-CFilter-Loop: Reflected X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 699038000B X-Stat-Signature: sdm6fzp6wxy1cso8wb7pr3yibwucuho5 X-Rspam-User: X-HE-Tag: 1741595009-990696 X-HE-Meta: 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 uqYFiwdW XYeYGYM6eglfjliad+euXumC2OHoBRi+vshkcatP3MxKrPA8dGIC3jAJbPmxIGqcqp/HkqCLTO1pP31vsJbsQ0Hkx3HLslQl8y9wyWZ/xFNV7dLXA2DgstXem44PXV4gBs1RqJvZBK4cxnRLq4ptWc9F23Q== 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: On Fri, 7 Mar 2025 10:23:57 -0500 Gregory Price wrote: Hi Gregory On Fri, Mar 07, 2025 at 03:35:33PM +0900, Rakie Kim wrote: > > Improper cleanup of sysfs attributes caused kobject and memory leaks when > > initialization failed or nodes were removed. > > > > Is this fixing something in your patch set or fixing something in the > current upstream code? If in the current patch set, roll this into the > patch that causes it. > > If this is fixing something upstream, I recommend submitting this > separately to stable and rebasing on top of it. Thank you for your response regarding this patch. This patch isn't a modification of my hotplug-related patch but rather a fix addressing issues in the existing implementation of the commit listed below. I will proceed to update it as a separate patch based on the mentioned commit. mm/mempolicy: implement the sysfs-based weighted_interleave interface (dce41f5ae2539d1c20ae8de4e039630aec3c3f3c) Rakie > > > ~Gregory