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 D4489338594 for ; Fri, 16 Jan 2026 03:28:18 +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=1768534100; cv=none; b=f8mXpuRmnKqbf67IngHRlglCaBTkK5AN++Y5YnfiA+4Y2itu/eDOONdXB0dR/KJrUPI+Uc5x+zCAwOSGm0WcWXBTjCLVCl3xsJ9jZtImsNHe2RBVwNSWgirxs2B5cXHl0at4P/WBouUqJs1n/8fiYrHDOBYVqxnTdsRmtvXxAKw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768534100; c=relaxed/simple; bh=D4eEoiTsek1sJGNZSQI6hNZiuu4TWe6MsmZNEeN4N1A=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=UbASK42mtwFl/fzhvkC9AqIOBfk76+WQ7AyMHdwMQBPb4Zx9JjRw4y+NrAhNkbe8A+6SwRifDiAx9OFu1UEK/QClEnEiCih7rQ4Xoc0Z0SDpGgLwnB0MQiVpx5tX8/NRvI4GhISZaSiOx12Ncs4P0pW7hRpLySEHW8EHY+Jwo30= 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=kawZwRZ0; 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="kawZwRZ0" Message-ID: <19a35b15-b7ce-40fc-8f6e-ed84cff84a17@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1768534096; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5DzqnhNxvLI0laCKLwCbDwSiE4A2VzYWibr9B0HZ9UY=; b=kawZwRZ0yr6J0LNYij00kshaTdb5nuUx2T60E4pjQvKILtWpaKJycNZR71fhyREdb2Xrnw +gzfIZeJs9TXKrTUoxf5Y9o6O7rQD1+i0WNl7mXlwmpPfVKn1+64txNPh4r6WZLMfOUWQy 29o/khTKalijqtl9LKWABLc9TQ6Oa9U= Date: Fri, 16 Jan 2026 11:27:46 +0800 Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v3 28/30 fix 1/2] mm: memcontrol: fix lruvec_stats->state_local reparenting To: Andrew Morton Cc: hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, david@kernel.org, lorenzo.stoakes@oracle.com, ziy@nvidia.com, harry.yoo@oracle.com, yosry.ahmed@linux.dev, imran.f.khan@oracle.com, kamalesh.babulal@oracle.com, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, chenridong@huaweicloud.com, mkoutny@suse.com, hamzamahfooz@linux.microsoft.com, apais@linux.microsoft.com, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Qi Zheng References: <20260115094704.17d35583bbcff28677b5bc12@linux-foundation.org> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Qi Zheng In-Reply-To: <20260115094704.17d35583bbcff28677b5bc12@linux-foundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 1/16/26 1:47 AM, Andrew Morton wrote: > On Thu, 15 Jan 2026 18:41:38 +0800 Qi Zheng wrote: > >> From: Qi Zheng >> >> Signed-off-by: Qi Zheng > > What was "fixed"? [1/2] fixed the issue reported by https://lore.kernel.org/all/6967cd38.050a0220.58bed.0001.GAE@google.com/. Previuosly, state_local was protected by ss_rstat_lock. Since [PATCH v3 28/30] added a concurrent path, [2/2] changed state_local to the atomic_long_t type for protection. > > I queued this and [2/2] as squashable fixes against "mm: memcontrol: > prepare for reparenting state_local". Thanks! >