From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-172.mta1.migadu.com (out-172.mta1.migadu.com [95.215.58.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E31F6347531 for ; Tue, 3 Mar 2026 21:12:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772572353; cv=none; b=WflG4//mkD622hCpZNChuJuDSsm8Ca9UgojKtLvV0OZQD6qEr4K+hqCUcOKvf6RH2dCM6w4qgkIPrv5Q4I2xaUEKXVLv/VeIGwctj6jjqMeYBa23SyPUyP5FiUVibLvF9xNeVzQ2UCDbSYwG86ryBdofd992IvEqWo088NvL56c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772572353; c=relaxed/simple; bh=J8f/rq0JhKVWLGrnHUIGFAM5wHzDzd/4yc+djUCeWPk=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=IlXsscwJvX57HJd4j/loIHthf2ZvbXV2CNf1tCUkaGQtfqs0/i7sduZUcLo4yHh9QZzwarClzzzkPf6WlQROiIcM5jYuvmk7GgKiyoeDBFq+pbUZ7WcvbQ91HuyR+b9+Yk1fznF/lFdiZ3rOy9weTXkVG6soS/Wb8IG4u6gveTc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=fMZKh+zX; arc=none smtp.client-ip=95.215.58.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="fMZKh+zX" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1772572340; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=J8f/rq0JhKVWLGrnHUIGFAM5wHzDzd/4yc+djUCeWPk=; b=fMZKh+zXIRa4g+vPYHT+JmDcAci63QcbjFjDp/Q90FjR5PZwCYwKI/kRoLm5RySjpdPeiS GV8Qd0rm1ZEqEklz/ok5TYdBNwk0TYREAqhEdvg/DFEAN17Jv3JF3O6PTbFkJjyaWH6Lau s0OkucNUKrjGor9LcxS2kFFn3OnpMk4= From: Roman Gushchin To: Johannes Weiner Cc: Andrew Morton , Hao Li , Michal Hocko , Shakeel Butt , Vlastimil Babka , Harry Yoo , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5]: memcg: obj stock and slab stat caching cleanups In-Reply-To: <20260302195305.620713-1-hannes@cmpxchg.org> (Johannes Weiner's message of "Mon, 2 Mar 2026 14:50:13 -0500") References: <20260302195305.620713-1-hannes@cmpxchg.org> Date: Tue, 03 Mar 2026 21:11:49 +0000 Message-ID: <7ia4pl5kpqi2.fsf@castle.c.googlers.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Migadu-Flow: FLOW_OUT Johannes Weiner writes: > This is a follow-up to `[PATCH] memcg: fix slab accounting in > refill_obj_stock() trylock path`. The way the slab stat cache and the > objcg charge cache interact appears a bit too fragile. This series > factors those paths apart as much as practical. Acked-by: Roman Gushchin for the series. My ai review bot is also entirely happy with it. Thanks!