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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 6C35AFA3728 for ; Wed, 16 Oct 2019 16:18:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4211F20663 for ; Wed, 16 Oct 2019 16:18:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rvNQylRz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393649AbfJPQSl (ORCPT ); Wed, 16 Oct 2019 12:18:41 -0400 Received: from mail-yb1-f193.google.com ([209.85.219.193]:40330 "EHLO mail-yb1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727154AbfJPQSk (ORCPT ); Wed, 16 Oct 2019 12:18:40 -0400 Received: by mail-yb1-f193.google.com with SMTP id s7so7993827ybq.7 for ; Wed, 16 Oct 2019 09:18:40 -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=SLHuUAI51zqpOoY4mLBl+fp0NibSGRXA+wwSOeMW2Ic=; b=rvNQylRzWjq/sDxLXksL1A5D7OVt0fv1VWMAQUOp3axuwKdUIgf5tbL8gr0T4DKdi5 ZFJrsYtCO847NNxoDTqX9vapUBRbPitGsZDOwONFhBaGiopmAN8nAI58Fcs7VIgtO2lm bYneVujpt3dX1gj8sQaZq8kY40rzC+NFypsPb3vvbnVoOAyV/QaqcQ7i/GXOytITeGE6 knmd9xZ+nlgweNjb+LJnd1uOy1E6ICn8xqOuT3QyrwCun0YrwFI4IkP3rkG10JlRn8l9 vKwsdmsOJTDO8CRqTnT/56MLs2Vxv9fktWaM4zvDSes/80088NJzk5eXs95AfAEu8Ryf ixLg== 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=SLHuUAI51zqpOoY4mLBl+fp0NibSGRXA+wwSOeMW2Ic=; b=fppm1X3rquQw9qi4XGYomk/NDxSYVrXaBiOnjSV2JIixvf37x+FzjJSrQXEnyM44Ij NB2E8mtGgbYssgTmF83PGwYYS4OPSuJVDuSeNDJC/lO2OlSYyepfbUjbM1JsveZstWkz 7Z+c3C8AIWv2X+8GOScoex8EIrg9eXXyTnys6cRWuyd3nLcDepWJ0D9Czb+4VItA+vqi oCcmdo/4Yshq7NMSeiWh+ZaRurfY3pJk53GiQinEMVBP1A76i5PjrERKlOTcmb0+XTzv aXnBwxIRBvQw33HyNQ3BKUiUoiiHu0Amtr0O3R0qsxBkcYbJsVyrPYwOP7t3yLUoKtPa /Cqg== X-Gm-Message-State: APjAAAW8ZW93Xi6GR3mBi5DNHk9j83OXEPglIx7UnXeqCKxUfrNZ6moT U5eN9P4Qss0pPtjAxIyHO9M= X-Google-Smtp-Source: APXvYqxUdwndWyzgAzuSdir0CRTy89OMPv/sP13h8hC81Pqrz64D/iPT34B8yMayZLpuiltGgdbJRw== X-Received: by 2002:a25:3086:: with SMTP id w128mr29101340ybw.385.1571242719670; Wed, 16 Oct 2019 09:18:39 -0700 (PDT) Received: from localhost.localdomain (072-189-084-142.res.spectrum.com. [72.189.84.142]) by smtp.gmail.com with ESMTPSA id 5sm6037910ywb.73.2019.10.16.09.18.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2019 09:18:38 -0700 (PDT) From: William Breathitt Gray To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, andriy.shevchenko@linux.intel.com, William Breathitt Gray Subject: [PATCH] linux/bitopts.h: Add for_each_set_clump8 documentation Date: Wed, 16 Oct 2019 12:18:25 -0400 Message-Id: <20191016161825.301082-1-vilhelm.gray@gmail.com> X-Mailer: git-send-email 2.23.0 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 Document in kerneldoc form the for_each_set_clump8 macro. Signed-off-by: William Breathitt Gray --- include/linux/bitops.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index fb94a10f7853..76ec8f0ce3e8 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -40,6 +40,13 @@ extern unsigned long __sw_hweight64(__u64 w); (bit) < (size); \ (bit) = find_next_zero_bit((addr), (size), (bit) + 1)) +/** + * for_each_set_clump8 - iterate over bitmap for each 8-bit clump with set bits + * @start: bit offset to start search and to store the current iteration offset + * @clump: location to store copy of current 8-bit clump + * @bits: bitmap address to base the search on + * @size: bitmap size in number of bits + */ #define for_each_set_clump8(start, clump, bits, size) \ for ((start) = find_first_clump8(&(clump), (bits), (size)); \ (start) < (size); \ -- 2.23.0