From patchwork Wed Aug 31 18:09:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 12961207 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8766ECAAD3 for ; Wed, 31 Aug 2022 18:11:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232496AbiHaSLF (ORCPT ); Wed, 31 Aug 2022 14:11:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232058AbiHaSKt (ORCPT ); Wed, 31 Aug 2022 14:10:49 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 620BF5853C; Wed, 31 Aug 2022 11:10:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id AC14BB82012; Wed, 31 Aug 2022 18:09:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A649C433D6; Wed, 31 Aug 2022 18:09:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661969357; bh=EZCaHFNfWzzK81BUJHas2+EH26hcxKcbRtxd2gbUdDc=; h=Date:From:To:Cc:Subject:Reply-To:From; b=TiKAENTnjrECd4Xna+cz74y6FT50vB1jrnin5uWfY3H6yBAPla+EoG+VfhwEnWl7W i/keiA4tAA+Z6luGjr4Tk1MA9GFTj67WyWbJzkdulbseyT5UhFG7hliYO//j6epMq0 8a0WF/3580uBOjx3H2sxYxqp+PY14z/gyKt4R0Yk8beNVbswINe3QqBLIiKXPnlG5F PxiD7mOpj0QsCAVm6dti5PjU0yEGa7S+NaqXui81Tadnu8vnaNz4xO90OHgQ1evCPh Ditl9sokGanELEXbpCnyMqfsgX5J4rHOgYSU7matcT0NmW/QXeZBQm+ssAFs0AtR8X IvDByMozyJW4g== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id F0DA15C015D; Wed, 31 Aug 2022 11:09:16 -0700 (PDT) Date: Wed, 31 Aug 2022 11:09:16 -0700 From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, rostedt@goodmis.org Subject: [PATCH rcu 0/7] kvfree_rcu updates for v6.1 Message-ID: <20220831180916.GA2693797@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org Hello! This series contains a few kvfree_rcu() updates: 1. Back off upon fill_page_cache_func() allocation failure, courtesy of Michal Hocko. 2. Fix kfree_rcu_shrink_count() return value, courtesy of "Joel Fernandes (Google)". 3. Update KFREE_DRAIN_JIFFIES interval, courtesy of "Uladzislau Rezki (Sony)". Thanx, Paul ------------------------------------------------------------------------ b/kernel/rcu/tree.c | 17 +++++++++-------- kernel/rcu/tree.c | 25 ++++++++++++++++++++----- 2 files changed, 29 insertions(+), 13 deletions(-)