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=-12.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 35E70C04AA7 for ; Mon, 13 May 2019 18:52:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 109592085A for ; Mon, 13 May 2019 18:52:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557773567; bh=GSLDstGrF+kdukSym6LeQNIXRRRnCuBhycVenkCtta8=; h=Date:From:To:Cc:Subject:List-ID:From; b=0AoxEx65k/x94L0mLw7FDBBDiDjPELOOJU/Q9FNOruZr8ISx//M1I198Xrs9ye0vh 0T38fSuMSUhXaWUZJ9iWZTipLtZDu0kkAqtbiU7uhMsI39ycLiJodXjjVnKYgBnQlG wAiuiudPAHPVSVyHTLlzC9m6CMTcO4Zs/mj4xQWg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728917AbfEMSwq (ORCPT ); Mon, 13 May 2019 14:52:46 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:41931 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728693AbfEMSwp (ORCPT ); Mon, 13 May 2019 14:52:45 -0400 Received: by mail-qt1-f195.google.com with SMTP id y22so12591104qtn.8 for ; Mon, 13 May 2019 11:52:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=b4TlRietwnM6oTPXcxhj2JOE8FV7T3pSL6QJavmQ1dg=; b=H5qenU/7jx8NlQhm7S99sirqKd61HRj6fvztvxwH8qxnHnyhxnM3vrRGU/DDlRxMNi 9YteXtpVKNokOI7554+8eaokfgHk+gqKyuaVlN7BNAY80mUKipQQlX2r8/0N/qicdJRd YM3wCagWhQTXChqRXBSku//06FLq37M9iiLfou15xlsJIB2bn1B49534tBII79HZWCsx KnW8/mv/pTenMwi0D13Ff+ZhmoKnyD8noNvlP51qOFk4s2YOLeMBmq6fLeaxxDxrxQIi BV9Pap+2eZERZd5/gTC+T2RP4uQrorq9WtE8uKWEMTRpCnrJwTTjWG3kI+/XaU6LGHOT Wfpg== X-Gm-Message-State: APjAAAVZxe+5nAY8SwRe13PBiLWi6CLvLdwebWq+g3XrSJLlRp1Wes69 R9Cq4Yq07WAuyiJmVlXTQjM= X-Google-Smtp-Source: APXvYqxSKsVgAu+I6jDct+Jb+foaVr1VkQpIWA0uKzdaIX/lqaAusSviehhQATr1kLcIrmTwBR5YQQ== X-Received: by 2002:a0c:b161:: with SMTP id r30mr2632858qvc.15.1557773565039; Mon, 13 May 2019 11:52:45 -0700 (PDT) Received: from dennisz-mbp ([2620:10d:c091:500::3:b635]) by smtp.gmail.com with ESMTPSA id y8sm2445558qki.26.2019.05.13.11.52.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 May 2019 11:52:43 -0700 (PDT) Date: Mon, 13 May 2019 14:52:41 -0400 From: Dennis Zhou To: Linus Torvalds Cc: Tejun Heo , Christoph Lameter , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [GIT PULL] percpu changes for v5.2-rc1 Message-ID: <20190513185241.GA74787@dennisz-mbp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Linus, This pull request includes my scan hint update which helps address performance issues with heavily fragmented blocks. The other change is a lockdep fix when freeing an allocation causes balance work to be scheduled. Thanks, Dennis The following changes since commit fa3d493f7a573b4e4e2538486e912093a0161c1b: Merge tag 'selinux-pr-20190312' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux (2019-03-13 11:10:42 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu.git for-5.2 for you to fetch changes up to 198790d9a3aeaef5792d33a560020861126edc22: percpu: remove spurious lock dependency between percpu and sched (2019-05-08 12:08:48 -0700) ---------------------------------------------------------------- Dennis Zhou (12): percpu: update free path with correct new free region percpu: do not search past bitmap when allocating an area percpu: introduce helper to determine if two regions overlap percpu: manage chunks based on contig_bits instead of free_bytes percpu: relegate chunks unusable when failing small allocations percpu: set PCPU_BITMAP_BLOCK_SIZE to PAGE_SIZE percpu: add block level scan_hint percpu: remember largest area skipped during allocation percpu: use block scan_hint to only scan forward percpu: make pcpu_block_md generic percpu: convert chunk hints to be based on pcpu_block_md percpu: use chunk scan_hint to skip some scanning John Sperbeck (1): percpu: remove spurious lock dependency between percpu and sched include/linux/percpu.h | 12 +- mm/percpu-internal.h | 15 +- mm/percpu-km.c | 2 +- mm/percpu-stats.c | 5 +- mm/percpu.c | 549 ++++++++++++++++++++++++++++++++++--------------- 5 files changed, 405 insertions(+), 178 deletions(-)