Re: [PATCH 1/1] alloc_tag: allocate percpu counters for module tags dynamically

[Suren Baghdasaryan]

On Mon, May 19, 2025 at 5:21 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Mon, 19 May 2025 16:13:28 -0700 Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:
>
> > > > Fixes: 0db6f8d7820a ("alloc_tag: load module tags into separate contiguous memory")
> > > > Reported-by: David Wang <00107082@xxxxxxx>
> > > > Closes: https://lore.kernel.org/all/20250516131246.6244-1-00107082@xxxxxxx/
> > > > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> > > > ---
> > > >  include/linux/alloc_tag.h | 12 ++++++
> > > >  include/linux/codetag.h   |  8 ++--
> > > >  include/linux/percpu.h    |  4 --
> > > >  lib/alloc_tag.c           | 87 +++++++++++++++++++++++++++++++--------
> > > >  lib/codetag.c             |  5 ++-
> > > >  5 files changed, 88 insertions(+), 28 deletions(-)
> > >
> > > Should we backport this fix into -stable kernels?  I'm thinking yes.
> >
> > Yes, I should have CC'ed stable. The patch this one is fixing was
> > first introduced in 6.13. I just tried and it applies cleanly to
> > stable linux-6.13.y and linux-6.14.y.
> > Should I forward this email to stable or send a separate patch to them?
>
> I added cc:stable to the mm.git copy so all is OK.  That's the usual
> workflow.

Perfect. Thanks!