From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, SUBJ_ALL_CAPS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EFC0C433E1 for ; Sun, 9 Aug 2020 20:44:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18AB0206A2 for ; Sun, 9 Aug 2020 20:44:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GmxdgDnJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726386AbgHIUoG (ORCPT ); Sun, 9 Aug 2020 16:44:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726307AbgHIUoG (ORCPT ); Sun, 9 Aug 2020 16:44:06 -0400 Received: from mail-lj1-x244.google.com (mail-lj1-x244.google.com [IPv6:2a00:1450:4864:20::244]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4B5EC061756; Sun, 9 Aug 2020 13:44:05 -0700 (PDT) Received: by mail-lj1-x244.google.com with SMTP id t23so7454926ljc.3; Sun, 09 Aug 2020 13:44:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=SvDAYJLcZBgTsyI3IaDujHuoZCk3THaG/ArcfhJ0GWI=; b=GmxdgDnJfiMvbGkhskAMmhvwWFIywN7TCDp+2/6/kRsL1IzbleBtKRWN34/wAYC5g/ nBEq0kPXP2SBmJz7F2p1yYi5aggjrvqqmk3mFP9MXiH56Ot2W8ZSYdniknQpRnvErsf5 hHJ76yI/SpvjAhkSak0Ak6pFjyD+cUpzGywpzo7KcrYvZgxA+U7aZkdG48d9SihPQSF4 OdENNtxsWQH2Xl+ju0SQVJED7D/NFkt3CgcfdGlYY876QVs0gFEk10je3pgDZajUlY0I q2HB/joDS9dZR/N5MX3KF/egEJh/LRm2U1CfEp8iB9nB75K43PUibwk5wDjTmftP4SVD ODZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=SvDAYJLcZBgTsyI3IaDujHuoZCk3THaG/ArcfhJ0GWI=; b=dRPfHwSX0OygST223EB3381MV/WE+vUNGMvercjQOXhfrcyKC05jfmI1NfDY5FCs/q SeyAklgyFSBEGUE6tjjFhbQYJjfaHeQyUSrqPU5lp3Q9/qNqKHkQYxYER0VdfDEu7icr cYmkVbYwenar/vDwWMixW1PFJy8c5wcD705AL9cQhr/HEX76bg+odVnfvDSBSF/OywLy IBWVQQ4/l5ai4jbxvRfu4T4eY/dFE9w3Z/qRiDCX4F6sfj+plja6tVYEgffBzemfkSpH DWw2ljG7zZdWvoUNDnHMH9YdGDmDQZ4Fne5aJGznJQC09JmS6F/H/w/zthFdnJbz4h6H N0sA== X-Gm-Message-State: AOAM532OoLWugqw2PaN4a2E+67N+LMRiEJENGL05IlJoF1nu4jvPaNCb iRWyIJxV8p4PHzjoNH21AiHIKeSFxyc= X-Google-Smtp-Source: ABdhPJxe/b92Z2GqoBPeYDyLCZJRAhOMt12bGw+W+K9D7jJB9I8hfv0+hQN6Bltk3MwPUO8Z6nqKHg== X-Received: by 2002:a2e:7615:: with SMTP id r21mr10287452ljc.371.1597005843876; Sun, 09 Aug 2020 13:44:03 -0700 (PDT) Received: from pc638.lan (h5ef52e31.seluork.dyn.perspektivbredband.net. [94.245.46.49]) by smtp.gmail.com with ESMTPSA id c17sm9529603lfr.23.2020.08.09.13.44.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Aug 2020 13:44:03 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: LKML , RCU , linux-mm@kvack.org, Andrew Morton , Vlastimil Babka , "Paul E . McKenney" , Matthew Wilcox Cc: "Theodore Y . Ts'o" , Joel Fernandes , Sebastian Andrzej Siewior , Uladzislau Rezki , Oleksiy Avramchenko Subject: [RFC-PATCH 0/2] __GFP_NO_LOCKS Date: Sun, 9 Aug 2020 22:43:52 +0200 Message-Id: <20200809204354.20137-1-urezki@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, folk! This small series introduces __GFP_NO_LOCKS flag. Detailed description is here https://lkml.org/lkml/2020/8/3/961. I would like to get some input at least about [1] patch. Please RFC. Appreciate for valubale comments, review and proposals :) Thanks! Uladzislau Rezki (Sony) (2): mm: Add __GFP_NO_LOCKS flag [1] rcu/tree: use __GFP_NO_LOCKS flag [2] include/linux/gfp.h | 11 +++++++++-- include/trace/events/mmflags.h | 1 + kernel/rcu/tree.c | 2 +- mm/page_alloc.c | 31 +++++++++++++++++++++++++------ tools/perf/builtin-kmem.c | 1 + 5 files changed, 37 insertions(+), 9 deletions(-) -- 2.20.1