From: Thomas Gleixner <tglx@linutronix.de>
To: Shakeel Butt <shakeel.butt@linux.dev>
Cc: linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
cgroups@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] memcg: Optimize exit to user space
Date: Wed, 13 Aug 2025 23:25:52 +0200 [thread overview]
Message-ID: <87h5ya7w2n.ffs@tglx> (raw)
In-Reply-To: <hzvjjgzf4cdvj56zeysosb7otkvplbbozzcpij2yeka4a4kakl@4l26obz3karf>
On Wed, Aug 13 2025 at 10:19, Shakeel Butt wrote:
> On Wed, Aug 13, 2025 at 04:57:55PM +0200, Thomas Gleixner wrote:
> Since this is seen in profiling data and it is simple enough, I think it
> is worth backporting to stable trees as well.
Your call.
> In the followup cleanup, we can remove the (!nr_pages) check inside
> __mem_cgroup_handle_over_high() as well.
Yes. I did not want to do that in one go, but that's an obvious follow
up.
Thanks,
tglx
next prev parent reply other threads:[~2025-08-13 21:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-13 14:57 [PATCH] memcg: Optimize exit to user space Thomas Gleixner
2025-08-13 15:45 ` Roman Gushchin
2025-08-13 16:17 ` Johannes Weiner
2025-08-13 17:19 ` Shakeel Butt
2025-08-13 21:25 ` Thomas Gleixner [this message]
2025-08-13 22:40 ` Andrew Morton
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