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McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org Subject: [PATCH rcu 0/8] kvfree_rcu updates for v6.3 Message-ID: <20230105002441.GA1768817@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Disposition: inline X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1754140308761942159?= X-GMAIL-MSGID: =?utf-8?q?1754140308761942159?= Hello! This series contains a few kvfree_rcu() updates: 1. Refactor kvfree_call_rcu() and high-level helpers, courtesy of "Uladzislau Rezki (Sony)". 2. Switch to a generic linked list API, courtesy of "Uladzislau Rezki (Sony)". 3. Move bulk/list reclaim to separate functions, courtesy of "Uladzislau Rezki (Sony)". 4. Move need_offload_krc() out of krcp->lock, courtesy of "Uladzislau Rezki (Sony)". 5. Use a polled API to speedup a reclaim process, courtesy of "Uladzislau Rezki (Sony)". 6. Use READ_ONCE() when access to krcp->head, courtesy of "Uladzislau Rezki (Sony)". 7. Carefully reset number of objects in krcp, courtesy of "Uladzislau Rezki (Sony)". 8. Split ready for reclaim objects from a batch, courtesy of "Uladzislau Rezki (Sony)". Thanx, Paul ------------------------------------------------------------------------ b/include/linux/rcupdate.h | 5 b/include/linux/rcutiny.h | 12 - b/include/linux/rcutree.h | 2 b/kernel/rcu/tiny.c | 9 - b/kernel/rcu/tree.c | 29 +-- kernel/rcu/tree.c | 392 +++++++++++++++++++++++++++------------------ 6 files changed, 261 insertions(+), 188 deletions(-)