From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-168.mta0.migadu.com [91.218.175.168]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BCF8839DBF8 for ; Fri, 28 Aug 2026 09:24:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.168 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787909058; cv=none; b=ZzPtCorGiv7qhw+6pJOCLZQqSDj5yCS9DXj8jytnq9+PDpi29WyCa+xUiiMKyXHbPOVJI5u2v+pM/IjQ+vzFEIvoNRko1aZ9RSYiT/nc9bQhnv4aT/D5qmTJF7AlMYSAnqIqzJQMg1bEe8VtMG4eM10FkvMOEbEX4vN67NONBBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787909058; c=relaxed/simple; bh=Hvdo5v1MfFdr47iAeJk70f6z6nybiKkgDuXe2gZCqVA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=uLn6Xz4Pxa40uCi9BJKmJsbuko7klvtXqzFSsTMV1iamLZ6ahE8LjhjWUxdtjGoRjmQNQnUfIaHNVjt449sXQ9fDWHAnr70H9/SX7ENXcsMNms6lhYYzxGqn1wB0V3ac7Kz9KXdgNbpyuKGsfNssDlRIOJnDnCUUvPkxanekoxA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=E6y5rY+W; arc=none smtp.client-ip=91.218.175.168 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="E6y5rY+W" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=Hvdo5v1MfFdr47iAeJk70f6z6nybiKkgDuXe2gZCqVA=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1787909049; v=1; x=1788513849; b=E6y5rY+WWnFt4kUNsykrypUpwn9/sqZ0F/A6d4d/LFh01biqtje0SGDU35ljZ5X8E4YJDbaF psvYfFztTxCRCEe64ivCU6cUJGRnPJ5JaEMqD8wzPh80ZAzb8hvbWMNzuuuTqL1Q5lveAhe0sx7 +4q7Zq7u0yNSO6QLXpIvNF+E= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 8d8a9a2e6a4f7bb5; 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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