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Mon, 12 Oct 2026 11:08:16 +0000 X-Mizu-Trace-ID: 0d2ca05d90e48ec5 X-Migadu-Flow: FLOW_OUT Date: Mon, 12 Oct 2026 04:08:11 -0700 From: Shakeel Butt To: Mingyu He Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , linux-mm@kvack.org, Muchun Song , Andrew Morton , Yosry Ahmed , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, littleswimmingwhale@gmail.com Subject: Re: [PATCH] memcg: keep propagating stats updates to ancestors Message-ID: References: <20260911032905.63683-1-mingyu.he@shopee.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 7A6E1C0006 X-Stat-Signature: komfgr7p7a1kex8c81ppjah5dhdfz55k X-HE-Tag: 1791803298-753226 X-HE-Meta: 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 1l7VHP8s EBgD4rlrrCzFBAODu046GLx6ocNi+OAgClDfNer2ZDvAqtAhxOMO8mmHfjcfTtPwWRwR4hWp6qoxkTEHfvp/5U06wU09qJJy9NAuYboDKS5FGz+/3I2cTNEh4CaRnIrXQakpANB3Yi5JXHvui1BA+RRmBViNVPW2SWJW2J3O1h6BSN6d49xwx7sRoA9uVnaIDXgYUJzMb/8Dcpf0j7pWCQayD6slOFZkMa3YkGkLWTfJL+Z2BqgRYjrOgYu5lCAFTTtP4p0zFieSoXk0= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Oct 12, 2026 at 04:17:46PM +0800, Mingyu He wrote: > Hi Shakeel, > > This came from a reproducible workload with a custom in-kernel consumer, Please share your custom in-kernel consumer. Let's not make changes in the kernel for things which are not in upstreame kernel. [...] > > Regarding the BPF interface, the implementation in the tree I found is: > > __bpf_kfunc void bpf_mem_cgroup_flush_stats(struct mem_cgroup *memcg) > { > mem_cgroup_flush_stats(memcg); Let's make this force flush.