Re: [PATCH 0/8] mm/page_owner: Add PID/TGID/COMM and cgroup filtering

[Andrew Morton]

On Fri, 28 Aug 2026 08:03:38 +0100 "Lorenzo Stoakes (ARM)" <ljs@xxxxxxxxxx> wrote:

> On Fri, Aug 28, 2026 at 11:13:31AM +0800, Zhen Ni wrote:
> > This patch series adds process and memory cgroup filtering support to
> > page_owner. Following the previous series that introduced print_mode and
> > NUMA node filters:
> >   https://lore.kernel.org/linux-mm/20260707115411.1714314-1-zhen.ni@xxxxxxxxxxxx/
> >
> > This series adds filtering capabilities to page_owner, allowing users to
> > filter output by specific processes and memory cgroups. Users can now
> > filter page_owner output by PID, TGID, COMM (with wildcard support), and
> > memory cgroup path. This makes page_owner debugging more focused and
> > efficient for tracking memory allocations in specific contexts.
> 
> The majority of this cover letter feels like it should have been
> documentation put somewhere :)

yes please.

The only thing longer than the cover letter is the Sashiko report ;)

	https://sashiko.dev/#/patchset/20260828031339.1270699-1-zhen.ni@xxxxxxxxxxxx