Re: [PATCH v2 0/3] mm: push down lock_page_memcg()

From: Michal Hocko
Date: Wed Dec 07 2022 - 09:07:55 EST


On Tue 06-12-22 18:13:38, Johannes Weiner wrote:
> New series based on the discussion in the previous thread around
> getting lock_page_memcg() out of rmap.
>
> I beat on this with concurrent high-frequency moving of tasks that
> partially share a swapped out shmem file. I didn't spot anything
> problematic. That said, it is quite subtle, and Hugh, I'd feel better
> if you could also subject it to your torture suite ;)

For the whole series
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Thanks!
>
> Thanks!
>
> Against yesterday's mm-unstable.
>
> Documentation/admin-guide/cgroup-v1/memory.rst | 11 ++++-
> mm/memcontrol.c | 56 ++++++++++++++++++------
> mm/rmap.c | 26 ++++-------
> 3 files changed, 60 insertions(+), 33 deletions(-)
>

--
Michal Hocko
SUSE Labs