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 25063C10DCE for ; Mon, 16 Mar 2020 03:02:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDD2320409 for ; Mon, 16 Mar 2020 03:02:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GJP4e9ib" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729559AbgCPDCY (ORCPT ); Sun, 15 Mar 2020 23:02:24 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:38341 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729384AbgCPDCY (ORCPT ); Sun, 15 Mar 2020 23:02:24 -0400 Received: by mail-pf1-f196.google.com with SMTP id z5so9111737pfn.5 for ; Sun, 15 Mar 2020 20:02:22 -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; bh=PwYq+A1nBUiHCamHP77xjqJcKLDZlCT05cW3CB3WdrU=; b=GJP4e9ibvDaiUCeFZmTsWbbCaZixvjDfN5VAd4upMaukROlyyWrodnB18XnnD5h0Wd WjBVh/PUI0m1/UGm3XnE0VUUg+2zROSJcelavaqY2B2BzT3MxT2hiykXvbdvE5PAQzER tE+02pJ+3kQ2NuIiGI+FmRsP9+cFbyzDLDmksFYiPkkYe9HULELQ5Rlok7AzFBZf3fCc bfQQlNW9LoVWQRWt8+MODdgPz5Y9wcHu0HQNznfz1P+mR7Al80DRa7lQxQOXnIJVMd7J vImuHsul8Ctxc2h8dGX1Z05SjVkPeenys7AVgyCEa/TuPs3VfCBaWGuCLbjqVVgP4AGI R6rQ== 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; bh=PwYq+A1nBUiHCamHP77xjqJcKLDZlCT05cW3CB3WdrU=; b=W92wg4fmEsLl2moiqu4YEaqkItorXu6cTyLKrm1h0NEPSR9ZD7mFcWHlh0Q9CXaiJS KgKOA8BmbhD6L7nvQbaZ/pRMeSdhbyi8txBWrUK25He4TGlR0HmW3LEOFu+m0trkgFkD 1E8oph75CUISZhjfSfEpFEqKd3aUN+QZcu5PUMpOm3L8ZM3KgT75i3UGCZlspYzkUx9q s7bEMewYE2Yrb6xY11qKsYl/uJIp1N8OPlSH56vMod1vFbMzKcaw08hZM5jkppO70CQh v09d/wGUT33C+0+PAiNWLF9g4LlikDOv+17xEe4Umu7jIQ5aR1QaMH+SEddsQaBcOiUh mwaA== X-Gm-Message-State: ANhLgQ3g+CmJK5cJ+3IpGSDtaN0Vx6JgifII6jVAok7XKR7FYTWnjRvE V/hXodzc5uoJbe7y7zwLZNQ= X-Google-Smtp-Source: ADFU+vvvCRZptt1keOCzp7s/mqcH3SI0afsBof8SrJtqjVyGlgfk6YIsz1XSM0sKKKH3u90e8jvyqw== X-Received: by 2002:aa7:8f36:: with SMTP id y22mr25918957pfr.162.1584327741784; Sun, 15 Mar 2020 20:02:21 -0700 (PDT) Received: from VM_0_35_centos.localdomain ([150.109.62.251]) by smtp.gmail.com with ESMTPSA id e26sm56422pfj.61.2020.03.15.20.02.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 15 Mar 2020 20:02:21 -0700 (PDT) From: Qiujun Huang To: willy@infradead.org, gregkh@linuxfoundation.org Cc: tglx@linutronix.de, rfontana@redhat.com, armijn@tjaldur.nl, linux-kernel@vger.kernel.org, Qiujun Huang Subject: [PATCH] radix-tree: update the description for radix_tree_find_next_bit Date: Mon, 16 Mar 2020 11:02:16 +0800 Message-Id: <1584327736-11492-1-git-send-email-hqjagain@gmail.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The function changed at some point, but the description was not updated. Signed-off-by: Qiujun Huang --- lib/radix-tree.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/lib/radix-tree.c b/lib/radix-tree.c index c8fa1d2..3791378 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -178,12 +178,11 @@ static inline void all_tag_set(struct radix_tree_node *node, unsigned int tag) * radix_tree_find_next_bit - find the next set bit in a memory region * * @addr: The address to base the search on - * @size: The bitmap size in bits + * @tag: The tag index (< RADIX_TREE_MAX_TAGS) * @offset: The bitnumber to start searching at * * Unrollable variant of find_next_bit() for constant size arrays. - * Tail bits starting from size to roundup(size, BITS_PER_LONG) must be zero. - * Returns next bit offset, or size if nothing found. + * Returns next bit offset, or RADIX_TREE_MAP_SIZE if nothing found. */ static __always_inline unsigned long radix_tree_find_next_bit(struct radix_tree_node *node, unsigned int tag, -- 1.8.3.1