Re: [mm] 3e38e0aaca: WARNING:at_mm/memcontrol.c:#mem_cgroup_alloc

[Linus Torvalds]

On Fri, Aug 14, 2020 at 7:14 AM kernel test robot <lkp@xxxxxxxxx> wrote:
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 3e38e0aaca9eafb12b1c4b731d1c10975cbe7974 ("mm: memcg: charge memcg percpu memory to the parent cgroup")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
>
> in testcase: boot
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):

This should have already been fixed by commit 9f457179244a ("mm:
memcontrol: fix warning when allocating the root cgroup").

But I forget what the syntax is to report that to the kernel test
robot. Would it be possible for lkp automatically look for "Fixes:"
tags, perhaps?

                 Linus