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Thu, 29 Feb 2024 09:28:29 -0800 (PST) Received: from localhost ([2620:10d:c092:600::1:1633]) by smtp.gmail.com with ESMTPSA id j26-20020a056e02219a00b0036431524782sm425517ila.43.2024.02.29.09.28.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Feb 2024 09:28:29 -0800 (PST) Date: Thu, 29 Feb 2024 17:28:27 +0000 From: Chris Down To: Yu Zhao Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, kernel-team@fb.com, Johannes Weiner Subject: Re: MGLRU premature memcg OOM on slow writes Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.12 (2023-09-09) Hi Yu, Following up since it's been a few weeks since I reported this. If MGLRU does not handle writeback pressure on slow devices without OOM, that seems like a pretty significant problem, so I'd appreciate your opinion on the issue. Thanks, Chris