Re: [PATCH 2/3] bpf: arena: use page_ref_count() instead of page_mapped() in arena_free_pages()

Andrew Morton
2026-04-27T15:15:49Z

On Mon, 27 Apr 2026 16:00:59 +0100 Alexei Starovoitov <alexei.starovoitov@gmail.com> wrote:

> > >
> > > Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>
> > > ---
> > > kernel/bpf/arena.c | 2 +-
> >
> > BPF maintainers will probably want to carry this in the BPF tree.
> > That's fine - please go ahead and add it. I'll carry a duplicate in
> > mm.git so it compiles.
>
> We cannot carry the same patch in 2 trees.

Git is fine with that.

> Sooner or later it will create problems for linux-next
> and issues during merge window if more changes
> are done in the same area.
> The only way to share a patch between trees is to
> create a stable branch and pull it into 2 trees
> then sha will be the same,

For a single one-line patch?