From: Andrew Morton <akpm@linux-foundation.org>
To: Michal Hocko <mhocko@suse.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>,
david@redhat.com, shakeel.butt@linux.dev,
lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com,
vbabka@suse.cz, rppt@kernel.org, surenb@google.com,
donettom@linux.ibm.com, aboorvad@linux.ibm.com, sj@kernel.org,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: fix the inaccurate memory statistics issue for users
Date: Fri, 30 May 2025 16:00:34 -0700 [thread overview]
Message-ID: <20250530160034.94c8aee421266afe6a0b8f9a@linux-foundation.org> (raw)
In-Reply-To: <aDm1GCV8yToFG1cq@tiehlicka>
On Fri, 30 May 2025 15:39:36 +0200 Michal Hocko <mhocko@suse.com> wrote:
> > > Fixes: f1a7941243c1 ("mm: convert mm's rss stats into percpu_counter")
> >
> > Three years ago.
> >
> > > Tested-by Donet Tom <donettom@linux.ibm.com>
> > > Reviewed-by: Aboorva Devarajan <aboorvad@linux.ibm.com>
> > > Tested-by: Aboorva Devarajan <aboorvad@linux.ibm.com>
> > > Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
> > > Acked-by: SeongJae Park <sj@kernel.org>
> > > Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> >
> > Thanks, I added cc:stable to this.
>
> I have only noticed this new posting now. I do not think this is a
> stable material. I am also not convinced that the impact of the pcp lock
> exposure to the userspace has been properly analyzed and documented in
> the changelog. I am not nacking the patch (yet) but I would like to see
> a serious analyses that this has been properly thought through.
Thanks. I'll move this into the mm-new branch while we work through
these things.
next prev parent reply other threads:[~2025-05-30 23:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-24 1:59 Baolin Wang
2025-05-30 3:53 ` Andrew Morton
2025-05-30 13:39 ` Michal Hocko
2025-05-30 23:00 ` Andrew Morton [this message]
2025-06-03 8:08 ` Baolin Wang
2025-06-03 8:15 ` Michal Hocko
2025-06-03 8:32 ` Baolin Wang
2025-06-03 10:28 ` Michal Hocko
2025-06-03 14:22 ` Baolin Wang
2025-06-03 14:48 ` Michal Hocko
2025-06-03 17:29 ` Shakeel Butt
2025-06-04 12:46 ` Baolin Wang
2025-06-04 13:46 ` Vlastimil Babka
2025-06-04 14:16 ` Baolin Wang
2025-06-04 14:27 ` Vlastimil Babka
2025-06-04 16:54 ` Shakeel Butt
2025-06-05 0:48 ` Baolin Wang
2025-06-05 6:32 ` Michal Hocko
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