Re: [PATCH] mm: page_counter: reject empty string in page_counter_memparse()

From: Shakeel Butt

Date: Sat Aug 29 2026 - 20:53:40 EST


On Sat, Aug 29, 2026 at 05:42:20PM -0700, Andrew Morton wrote:
> On Wed, 19 Aug 2026 09:00:36 +0200 Michal Hocko <mhocko@xxxxxxxx> wrote:
>
> > > Whether that benefit outweighs the compatibility risk is not mine to
> > > decide.
> >
> > And I am still not convinced. I do understand your frustration from the
> > debugging the issue. In any way, if other maintainers decide this change
> > is worth I will not stand in the way.
>
> Shakeel seems OK with it. Other other maintainers are being aloof ;)
>
> I'll queue it for now, along with a note that additional poking is
> needed.
>
> A v2 would be nice, please. Add details about that production incident
> and make the requested update to
> Documentation/admin-guide/cgroup-v2.rst.

V2 is already out and we decided to make it a documented behavior.

https://lore.kernel.org/20260826021753.197871-1-cui.tao@xxxxxxxxx