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Fri, 28 Aug 2026 09:24:09 +0000 X-Mizu-Trace-ID: 8d8a9a2e6a4f7bb5 X-Migadu-Flow: FLOW_OUT Message-ID: Date: Fri, 28 Aug 2026 17:23:59 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/vmalloc: fix vmap_purge_lock livelock under memory pressure To: Uladzislau Rezki Cc: Dev Jain , Andrew Morton , Ye Liu , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20260824095020.1225189-1-ye.liu@linux.dev> <0c34aab2-9b73-45c0-8fbe-e33895bc8eef@linux.dev> <3b7abe37-4f6b-4af8-a78c-49ff5edff298@arm.com> Content-Language: en-US From: Ye Liu In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Stat-Signature: hqqt4gcjfwmxeiwir8nu5wz5yszw3pzd X-Rspamd-Queue-Id: 094E8180006 X-Rspamd-Server: rspam06 X-HE-Tag: 1787909050-567293 X-HE-Meta: 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 KnZ7YN+E 6bwvUl3ebe984eCYP//Tj4u4F8YndeseSmYjAyc7p+36NcDXug/vtASYcJYIblmqsoK2jszuNjtMyR8mtef5C01AYn1wyAISAWc1UU9NB/DCqQCdFF6vUKVhAuvzQy0gqEg7EjqFbbXyKwhg9e9PEIJIIy/q/PBuJhbf6TsxjBAIhHWmKciAfXoXDLpFz6UyxRiX8nFZv7sk5Ihea7+9OCvkpqp4fGQ8iwYlc4q55b0afOblFvA0HO1aOJ7X6uTKbMuBvcvUIatqSz7qjnX98jhQV+CuSqlRP7R+CAP2oVbyPrns76XBNzefAEpzOC86zk+ZrEPDk9iaxCVBTlp9gWa0O+hoCYq+uIlnj Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 在 2026/8/27 01:35, Uladzislau Rezki 写道: >> > Yes, i think so. It would be good if you could test it with your > workload which triggers reported kernel splat. > The problem no longer occurred in the test environment after applying the patch. I have send v2, please review it. -- Thanks, Ye Liu