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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 C46C5C636C8 for ; Mon, 19 Jul 2021 02:18:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AEB2E611AB for ; Mon, 19 Jul 2021 02:18:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234211AbhGSCVJ (ORCPT ); Sun, 18 Jul 2021 22:21:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233713AbhGSCVH (ORCPT ); Sun, 18 Jul 2021 22:21:07 -0400 Received: from mail-qt1-x836.google.com (mail-qt1-x836.google.com [IPv6:2607:f8b0:4864:20::836]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4272C061762; Sun, 18 Jul 2021 19:18:07 -0700 (PDT) Received: by mail-qt1-x836.google.com with SMTP id k9so335086qtx.3; Sun, 18 Jul 2021 19:18:07 -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=eK4dLN6Hh5Xn+AoNYC/jTTz3XjpPwSRyowzhMkiPWZ4=; b=YyZCJUDo33wlu/PklnfLM6m/u/vzKF62OVgo3EGkCp7IwPoNPG8NPuszyLI/gALdhT wawKLIe4qiWzWOkdgb6X6dvnyjKacJ7AghiSpQ4Dn6DQOJAhBMeM1BBZNHV0uxVz2P33 apkvrQsNsP2lJ7htulIBsIOjbmksX9iQQhkjQbgm+b8HKsVd9YLsUAGVfRp/h/zKrtbN GSLCQQKucqNPxmIemSvi2b0PvyK8ZmbCHBWI/1dDTjW0OGmlNO6ov8lW968fYxQu3t0W d7mIy3EDJ5Yqtys/70TN+SoOCh9B7o3ONFqf0mRTW/rJ7Ja4Nj4oGKTfMnItLMWC41rU TQ4A== 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=eK4dLN6Hh5Xn+AoNYC/jTTz3XjpPwSRyowzhMkiPWZ4=; b=hPY1jvwcCZ2e4Ycvra4mlwPhzTsG34zRKMZmSB4EogF/jxukci7XWamlROomgWyrpe u53WHmUAvRFDDwQmYZJ/TwD1caVLsTaC/Ax4riwXrRdu1Nn9OpKSE/hQadIwkEcLLOCP oQ5pXhqgn2ho/jhNoGlFRZrEt+Kvvvf/RRHHvmL38PG9GAvEsohEWk8aHzTP5sTBUZot 4jU8jIBHb7ecgrShddW7RuD+9b2BBoyv583V8Bc+ui4pJ5KvgRhcR+wo7T3avg+KAY4+ JHqUWn1ABut+l0S9V4t40YBXfIBWNHLXYBTFydfcUz0PtMDBh4BcS1GC3lmh2ShZuepk GauA== X-Gm-Message-State: AOAM533UVqVtplIqF60XnXbgNOSUXWCk5du4ofctQqB+ZS0Q1ADhYIwi Q09NVxAy88BlnyGBLdM7N1YMSEbiA+o= X-Google-Smtp-Source: ABdhPJz9CBPYo+uPdMEMMh21TBch2HQ+d3d/po8ULWIUDdW5L/qjQkGRlxiBnbFzjcFH9PbHRzp0Qw== X-Received: by 2002:a05:622a:14d3:: with SMTP id u19mr9545947qtx.258.1626661086530; Sun, 18 Jul 2021 19:18:06 -0700 (PDT) Received: from localhost ([207.98.216.60]) by smtp.gmail.com with ESMTPSA id y24sm8025966qkj.4.2021.07.18.19.18.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Jul 2021 19:18:06 -0700 (PDT) From: Yury Norov To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-mmc@vger.kernel.org Cc: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Petr Mladek , Sergey Senozhatsky , Tejun Heo , Steven Rostedt , Wolfram Sang , Ulf Hansson , Dennis Zhou , Christoph Lameter , Andrew Morton Subject: [PATCH v2 0/4] bitmap: unify for_each_bit() macros Date: Sun, 18 Jul 2021 19:17:51 -0700 Message-Id: <20210719021755.883182-1-yury.norov@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Replace bitmap_for_each_bit_region() with for_each_set_bitrange() and ~30 times improve bitmap_list_string() with new macro. On top of: https://lore.kernel.org/lkml/YNp3extAkTY8Aocd@yury-ThinkPad/T/ and https://lore.kernel.org/lkml/YNirnaYw1GSxg1jK@yury-ThinkPad/T/ The full series is here: https://github.com/norov/linux/commits/bitmap-20210716 v1: https://lore.kernel.org/patchwork/patch/1455255/ v2: - replace bitmap_for_each_bit_region(); - address comments for bitmap_list_string() rework. Yury Norov (4): mm/percpu: micro-optimize pcpu_is_populated() bitmap: unify find_bit operations lib: bitmap: add performance test for bitmap_print_to_pagebuf vsprintf: rework bitmap_list_string drivers/mmc/host/renesas_sdhi_core.c | 2 +- include/linux/bitmap.h | 41 -------------------- include/linux/find.h | 56 ++++++++++++++++++++++++++++ lib/test_bitmap.c | 37 ++++++++++++++++++ lib/vsprintf.c | 24 ++++-------- mm/percpu.c | 35 ++++++++--------- 6 files changed, 117 insertions(+), 78 deletions(-) -- 2.30.2