From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2023330C601; Thu, 1 Jan 2026 22:17:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767305866; cv=none; b=JEtDjky5NwLk5DWwDpsRPPUD9SvjG4R4OmwdFZ3Fs2HLmYz9y9GPyUnK53MAME9gcz8SMIGHyBhSENCMwAS3XEOGFG+7oGcVcwZJVii/WdDtE17N5XYWhPW2POhj2oOKRkIkLvwGM5zcbEeVgTNyhUP1zm5xUgInixDmJrs4fYc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767305866; c=relaxed/simple; bh=FTfdEWcmOb6DfQTJTbI0bpXWltHwgECxQBbZ31X7mYQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=APmKywuOPDw4ooK6+xzYGO8v8U+8K2XdaCL1SEpYDr+9C4Y9TYebILp0USsTs5svXwwjolI5C4djLxaNJ/QGNqGS+XAFdVvaU0ThYq+Rb491PsaYlxa6JMOJ4uj8PXprqoYlSr6Q5HQwvyOeTtW1FjMx86WZVsK6mOu0ycrYCJU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Tkk9fQ0Y; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Tkk9fQ0Y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA8A2C116D0; Thu, 1 Jan 2026 22:17:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767305866; bh=FTfdEWcmOb6DfQTJTbI0bpXWltHwgECxQBbZ31X7mYQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tkk9fQ0YxqsER1NIYCYAosngscJ4AdypdNtqtaJFGu9GcutE6+K3Jp7bcDA3NQOcH Xytzse9mx5JPmfO5GyVTdWYK5YFWOq2SOa+0UwmyekzSxNnR7H7CdbRcJ4wn0VUcE2 BloJ1HDGpQYHr1o5ne77EZVEJFAMqZcvAJcxkkwqW+6RYgONx6ovugYS5UJbc3MsGQ 46al2/dLj9svm4BceMLmrQv7cEOqWMDC/MJ0Nt9QJs9G8/f/CXDGVdlkiTDzPCRHIu d7zSfba6m/XDB0RQczXhePFboKDtAaVIaMnukN1N41tEjfibT6WhpuV5u4rwIUmoUh uDHS7oRP2rgHA== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , =?UTF-8?q?Michal=20Koutn=C3=BD?= , Andrew Morton , Bjorn Helgaas , Catalin Marinas , Chen Ridong , Danilo Krummrich , "David S . Miller" , Eric Dumazet , Gabriele Monaco , Greg Kroah-Hartman , Ingo Molnar , Jakub Kicinski , Jens Axboe , Johannes Weiner , Lai Jiangshan , Marco Crivellari , Michal Hocko , Muchun Song , Paolo Abeni , Peter Zijlstra , Phil Auld , "Rafael J . Wysocki" , Roman Gushchin , Shakeel Butt , Simon Horman , Tejun Heo , Thomas Gleixner , Vlastimil Babka , Waiman Long , Will Deacon , cgroups@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-pci@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 26/33] kthread: Include kthreadd to the managed affinity list Date: Thu, 1 Jan 2026 23:13:51 +0100 Message-ID: <20260101221359.22298-27-frederic@kernel.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20260101221359.22298-1-frederic@kernel.org> References: <20260101221359.22298-1-frederic@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The unbound kthreads affinity management performed by cpuset is going to be imported to the kthread core code for consolidation purposes. Treat kthreadd just like any other kthread. Signed-off-by: Frederic Weisbecker Reviewed-by: Waiman Long --- kernel/kthread.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/kthread.c b/kernel/kthread.c index 51c0908d3d02..85ccf5bb17c9 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -818,12 +818,13 @@ int kthreadd(void *unused) /* Setup a clean context for our children to inherit. */ set_task_comm(tsk, comm); ignore_signals(tsk); - set_cpus_allowed_ptr(tsk, housekeeping_cpumask(HK_TYPE_KTHREAD)); set_mems_allowed(node_states[N_MEMORY]); current->flags |= PF_NOFREEZE; cgroup_init_kthreadd(); + kthread_affine_node(); + for (;;) { set_current_state(TASK_INTERRUPTIBLE); if (list_empty(&kthread_create_list)) -- 2.51.1