From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [GIT PULL] cgroup fixes for v5.18-rc6 Date: Thu, 12 May 2022 07:29:58 -1000 Message-ID: Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=AyYwNHrrFSveH2j8M/8x/XkyABlhchvxowKUFBK5pvg=; b=NlFGVJUc203qX2UEbtIf5QdXTzhQ97zk2FRQ6bfBDGBWadHki9DCSwoXnNuLGJKFhd 75jmHjdopWJ/sBMRqPeCqc5UQlGOYEDi/Ky2Wcp55+lnwrkwcnmV633o1dPRWBJzLbos UePpWrykeOT5OvB4JfTD6upm2VTxF7Bu8Us4AAchm+8Trj9N9USQAFC+2uyFMZdrnU6r kRg5JaR17Sgw3H0zaPeAG4Mm9BthlWJppfjADw5AvWu7U3dT4Da3X//88AEOVZix7reF L4waIWDyg9FbmRhO7zsK48FcovRP8CDdNjAFEyLfyI7x3UiXzY1l9augkfkTvh1Ez7ng fxXQ== Sender: Tejun Heo Content-Disposition: inline List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Linus Torvalds Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Hello, This pull contains one commit - Waiman's fix for cgroup2 cpuset bug where it could miss nodes which were hot-added. Thanks. The following changes since commit a7391ad3572431a354c927cf8896e86e50d7d0bf: Merge tag 'iomm-fixes-v5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu (2022-05-04 11:04:52 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-5.18-fixes for you to fetch changes up to 2685027fca387b602ae565bff17895188b803988: cgroup/cpuset: Remove cpus_allowed/mems_allowed setup in cpuset_init_smp() (2022-05-05 08:57:00 -1000) ---------------------------------------------------------------- Waiman Long (1): cgroup/cpuset: Remove cpus_allowed/mems_allowed setup in cpuset_init_smp() kernel/cgroup/cpuset.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 9390bfd9f1cd..71a418858a5e 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -3390,8 +3390,11 @@ static struct notifier_block cpuset_track_online_nodes_nb = { */ void __init cpuset_init_smp(void) { - cpumask_copy(top_cpuset.cpus_allowed, cpu_active_mask); - top_cpuset.mems_allowed = node_states[N_MEMORY]; + /* + * cpus_allowd/mems_allowed set to v2 values in the initial + * cpuset_bind() call will be reset to v1 values in another + * cpuset_bind() call when v1 cpuset is mounted. + */ top_cpuset.old_mems_allowed = top_cpuset.mems_allowed; cpumask_copy(top_cpuset.effective_cpus, cpu_active_mask);