Re: [PATCH v21 00/19] per memcg lru lock

From: Shakeel Butt
Date: Tue Jan 05 2021 - 14:43:13 EST


On Tue, Jan 5, 2021 at 11:30 AM Qian Cai <qcai@xxxxxxxxxx> wrote:
>
> On Thu, 2020-11-05 at 16:55 +0800, Alex Shi wrote:
> > This version rebase on next/master 20201104, with much of Johannes's
> > Acks and some changes according to Johannes comments. And add a new patch
> > v21-0006-mm-rmap-stop-store-reordering-issue-on-page-mapp.patch to support
> > v21-0007.
> >
> > This patchset followed 2 memcg VM_WARN_ON_ONCE_PAGE patches which were
> > added to -mm tree yesterday.
> >
> > Many thanks for line by line review by Hugh Dickins, Alexander Duyck and
> > Johannes Weiner.
>
> Given the troublesome history of this patchset, and had been put into linux-next
> recently, as well as it touched both THP and mlock. Is it a good idea to suspect
> this patchset introducing some races and a spontaneous crash with some mlock
> memory presume?

This has already been merged into the linus tree. Were you able to get
a similar crash on the latest upstream kernel as well?