linux-kernel - Re: [PATCH v2 0/3] mm: push down lock_page

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Message-ID: <Y5CeFqlMrUyzZL2s@dhcp22.suse.cz>
Date:   Wed, 7 Dec 2022 15:07:18 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Shakeel Butt <shakeelb@...gle.com>, linux-mm@...ck.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] mm: push down lock_page_memcg()

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@...e.com>
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