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Message-ID: <CAJuCfpG17E_yoZeqEDrN0PFn8UBKqiGT28KDwEDmBm6byFje-Q@mail.gmail.com>
Date: Mon, 8 Sep 2025 10:51:30 -0700
From: Suren Baghdasaryan <surenb@...gle.com>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: Michal Hocko <mhocko@...e.com>, Yueyang Pan <pyyjason@...il.com>, 
	Shakeel Butt <shakeel.butt@...ux.dev>, Usama Arif <usamaarif642@...il.com>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, Sourav Panda <souravpanda@...gle.com>, 
	Pasha Tatashin <tatashin@...gle.com>, Johannes Weiner <hannes@...xchg.org>
Subject: Re: [RFC 0/1] Try to add memory allocation info for cgroup oom kill

On Mon, Sep 8, 2025 at 10:49 AM Kent Overstreet
<kent.overstreet@...ux.dev> wrote:
>
> On Mon, Sep 08, 2025 at 10:47:06AM -0700, Suren Baghdasaryan wrote:
> > On Mon, Sep 8, 2025 at 10:34 AM Kent Overstreet
> > <kent.overstreet@...ux.dev> wrote:
> > >
> > > I think that got the memcg people looking at ways to make the accounting
> > > cheaper, but I'm not sure if anything landed from that.
> >
> > Yes, Roman landed a series of changes reducing the memcg accounting overhead.
>
> Do you know offhand how big that was?

I'll need to dig it up but it was still much higher than memory profiling.

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