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From: Muchun Song In-Reply-To: <20230724094354.90817-38-zhengqi.arch@bytedance.com> Date: Wed, 26 Jul 2023 15:42:45 +0800 Cc: Andrew Morton , david@fromorbit.com, tkhai@ya.ru, Vlastimil Babka , Roman Gushchin , djwong@kernel.org, Christian Brauner , "Paul E. McKenney" , tytso@mit.edu, steven.price@arm.com, cel@kernel.org, Sergey Senozhatsky , yujie.liu@intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-erofs@lists.ozlabs.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nfs@vger.kernel.org, linux-mtd@lists.infradead.org, rcu@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, dm-devel@redhat.com, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-btrfs@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: References: <20230724094354.90817-1-zhengqi.arch@bytedance.com> <20230724094354.90817-38-zhengqi.arch@bytedance.com> To: Qi Zheng X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 4569714000B X-Stat-Signature: rtob1mdcpwd495d6k1p34a1wx9thffj5 X-HE-Tag: 1690357406-837456 X-HE-Meta: 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 jxnT4yRA j/+kLBt1lXorQYurz51UHm5JAEK86D2A1vkPw6V9kcNFjpTJR6+BvUO92z3EKHxRfwbzIePdRErr7N3+CjbytWDzSJVrqpVVRdOUihwBzupb2LPI5rmMzYWDwO951wOKhjOTHP8sMreVDK19XYJLpONAmeiV9sG9rQdLTozfZI7j9CU2Og9FOu0c79j4N5gZKNBnXs5Wx5uqXmXVm7M9koEE3oyK72b7J/LWlWmNoX9k1r4IjqxTjJPaaEY/nhodxM+UqNaNP0/AYLIdd68ybIKtRDWBV4S/ODnQjNEGa84bhtUk= 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: > On Jul 24, 2023, at 17:43, Qi Zheng wrote: > > In preparation for implementing lockless slab shrink, use new APIs to > dynamically allocate the xfs-inodegc shrinker, so that it can be freed > asynchronously using kfree_rcu(). Then it doesn't need to wait for RCU > read-side critical section when releasing the struct xfs_mount. > > Signed-off-by: Qi Zheng Reviewed-by: Muchun Song