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McKenney" To: Amir Goldstein Cc: lsf-pc@lists.linux-foundation.org, linux-mm@kvack.org, linux-fsdevel , Matthew Wilcox , Kent Overstreet , Jan Kara Subject: Re: [Lsf-pc] [LSF/MM/BPF TOPIC] Reclamation interactions with RCU Message-ID: Reply-To: paulmck@kernel.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 8690BC000B X-Stat-Signature: hesw55f8ca386zifgexkmazm96wyujio X-Rspam-User: X-HE-Tag: 1709074774-196341 X-HE-Meta: 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 Z6HhtUDG wKxRN1EAiJKRl+ci1VmNTohj4g3ga0J5Q4eHpYcZcXoIW7RxXCq7vnDmkshDCvYVtTJJNxOu3BsDTSp7B6f2Pw3ISWN130EBVqPsqNDV4gMgjTdMQPHbPIte+UCEl4/GCX5F5ndCke5ohQQ/bvMIfOUp/ysMbmTT2zn38G8warP/AbT09kfWO4qUHz1FUwPWvX6CcWjyuuLo3Q3lmtb8bLbL6H5AcJUfhBo6LxyMLBwfyYEHM1sSGuz09wP/sJRRj7/FzgQISU8uPb08= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Feb 27, 2024 at 09:19:47PM +0200, Amir Goldstein wrote: > On Tue, Feb 27, 2024 at 8:56 PM Paul E. McKenney wrote: > > > > Hello! > > > > Recent discussions [1] suggest that greater mutual understanding between > > memory reclaim on the one hand and RCU on the other might be in order. > > > > One possibility would be an open discussion. If it would help, I would > > be happy to describe how RCU reacts and responds to heavy load, along with > > some ways that RCU's reactions and responses could be enhanced if needed. > > Adding fsdevel as this should probably be a cross track session. The more, the merrier! ;-) Thanx, Paul