From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794288252; b=byPQgw5g8+XAboriUGPOm2/ys6Li3YJLB/hPiWsjTZrPhK8lfL5WgIR8zoTRIHi3LDIq 01ZGRd1rq1/52uE+qn2YR/IhyHZ9IbpemRsWZNQKp/knMHettVFtYmh51XMhXtuzHlV8B kD68F7/SBNrwSqt6Nb5AlQHQwkqGlbhEVZZamU1i+9nJgagY4A7L3EcAptqsESCRJ40/h P+VqrEXyBQ1MfZhEIQiSY3ivMHPfR9bgSQzp3KAx5WySH8gtwHIt/BnAZCuurhDkWOSQe YLepsSRIiOZcJxm85LXikBkeJG/xhIK75ccLn2m0Bii+VjC7ntacH6UA8irS5XawW7w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794288252; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-Id: In-Reply-To:References:X-Mailer:Mime-Version:Content-Type: Content-Transfer-Encoding; bh=tql7eR5er24MenGv5PCYQqqSyChkhlwFStj9pdPekzo=; b=ujYOKj6vqOSNbJRqWZtOrDbeS+YkI3pWmr9aPAx8gJpJuTzU9ue5mghrjwoe9tS9P4+t Q2DdXm+MM70wQP7w5JccsK9u2PvWseIOYYMcKKGHCyTZSUL3WW9QldeCMrkvdwQMRpb9L RxOyp/b07sUUBO6QzzckXjSYTSfDsmwXsIwzQJk5qEyeYbjxBpGwvD4FBfOZapaIBtcyF FoKFSfJVnHrd3N6l9E82E76RRdNsnriKmbrgntYrKSwCjhppeCNY6G354wfi9my1UqnpD ueYSENZ2eTGFdYOlFvd2nqT9zFPeunThlmEt8j1MU53XaDB0P7J6C2nExGOs01YijiQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b="T5/HMq9H"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24030606A31C; Tue, 10 Nov 2026 05:24:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=T5/HMq9H Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9D101F0089F; Tue, 10 Nov 2026 05:24:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1794288251; bh=tql7eR5er24MenGv5PCYQqqSyChkhlwFStj9pdPekzo=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=T5/HMq9Ho6wBHSn2SyLD+V0y7apDVcIEcxsAbM9bnQuCbLvHw6LbrS3L8oQWoJdLS xDaM8FBlCgcuAoUBNXFa7Xb8i2/V+MMB+YSg/oc1v0bC6dFoqwUkeA+EGUyi4PZaBm fJDST0/5AG8QCpg5dZFPoHB52xvaiVPnB2IDMaeQ= Date: Mon, 9 Nov 2026 21:24:10 -0800 From: Andrew Morton To: Mingyu He Cc: Shakeel Butt , Johannes Weiner , Michal Hocko , Roman Gushchin , linux-mm@kvack.org, Muchun Song , 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: <20261109212410.ca24bffef1abcd50b3f58c13@linux-foundation.org> In-Reply-To: References: <20260911032905.63683-1-mingyu.he@shopee.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 10 Nov 2026 11:17:37 +0800 Mingyu He wrote: > hi, gently pin this email. I think Shakeel is suggesting that the bpf caller be altered to also run css_rstat_flush() regardless of the update threshold. Your custom in-kernel caller would need a similar alteration.