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_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 5934EC433E0 for ; Fri, 15 Jan 2021 01:52:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E55B23A5A for ; Fri, 15 Jan 2021 01:52:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731738AbhAOBvp (ORCPT ); Thu, 14 Jan 2021 20:51:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729298AbhAOBvo (ORCPT ); Thu, 14 Jan 2021 20:51:44 -0500 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 153ECC061575 for ; Thu, 14 Jan 2021 17:51:04 -0800 (PST) Received: by mail-pl1-x631.google.com with SMTP id x18so3885139pln.6 for ; Thu, 14 Jan 2021 17:51:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=BIjYDm3K1KHRZmio2zuA7xfkvJuK8fsOdB0aS9Jm5uM=; b=oQ8Lsyq6NEzBmzSWyR0Gb3cToeR6LHZ7l1dFXKFksSWHxM+Qire3jBJ6sWnC0ykPi2 nad+2wIobBg2tkgz2qLwXuBB7FsMbs43pOGxb1P55B0DL325JSAeHyjbi3g5K3TkFBeT LmqBXSyLTPF5fYz452yaYUE1KDHh28Gj4gWiAFXLoSFpryg/aDtZ1tdZe/mh7yE+WuvY 1nQoRlzpd2/72I51vPMuHnVXjYWFb86KA8KIb+uDwmIhkTWapx2q79KbCITKElefRAjo diaDzKw8oaa6sCqp47lPtKHnDcoVEg8Q325L70QUyj3eLgFcQC7pT46IOydnr7+eWOUb OZXQ== 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=BIjYDm3K1KHRZmio2zuA7xfkvJuK8fsOdB0aS9Jm5uM=; b=D87boifrKjrvlhwQfK/futlOyU+0ApggGw29fnlY00t6BS/z0wPoJFv6AV+8TsVf3s yIoTwMI9+RG0nSBUEqH+zM1UTLYcgDu0VM90gLkz6bPTP6tEr0r5fnPcd8bglHUTqFTl /pYJJqh0UubMJJsrSAY/YNAsnZw177RZEcTXDUNSyJR28gNju+CtCcrWwIXQcBnHMJ0G aoxBBpqW7UO8CLzC9wAIW7mRlEjB8Fcg9CL1YD/1gXcHZNq4uaB0GeL8tF0IAsIo4bu/ iEJK3CF9RIPTgut20MLRqIVfe5ulgTI5tGo2G0gaX+XZNdyo5dcsa1m+yJ14PFb1CTw4 Jf1w== X-Gm-Message-State: AOAM5324CrVXwbbfcnkokrWZJDsFs5svhmJGN1uuq/H5SdNd7XFT6UEp /CfRyeU1KMdlpgAZctAESd+efizG1hPScjtN X-Google-Smtp-Source: ABdhPJxXI9+kZQGHT5rpi4YFnrbq8m4aaXKxLLzO411ujl3IAQjnivfFzz58FFAMpmaD658+zeWm7A== X-Received: by 2002:a17:902:426:b029:db:65c4:dbf7 with SMTP id 35-20020a1709020426b02900db65c4dbf7mr10493393ple.3.1610675463623; Thu, 14 Jan 2021 17:51:03 -0800 (PST) Received: from localhost.localdomain ([122.10.161.207]) by smtp.gmail.com with ESMTPSA id t5sm6548354pjr.22.2021.01.14.17.51.01 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Jan 2021 17:51:03 -0800 (PST) From: Yejune Deng To: rdunlap@infradead.org, yejune.deng@gmail.com, akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] lib: dynamic_queue_limits: use memset and offsetof init Date: Fri, 15 Jan 2021 09:50:53 +0800 Message-Id: <1610675453-14603-1-git-send-email-yejune.deng@gmail.com> X-Mailer: git-send-email 1.9.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In dql_reset(), use memset and offsetof instead of '= 0'. Signed-off-by: Yejune Deng --- lib/dynamic_queue_limits.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/lib/dynamic_queue_limits.c b/lib/dynamic_queue_limits.c index fde0aa2..21f0745 100644 --- a/lib/dynamic_queue_limits.c +++ b/lib/dynamic_queue_limits.c @@ -116,13 +116,7 @@ void dql_completed(struct dql *dql, unsigned int count) void dql_reset(struct dql *dql) { /* Reset all dynamic values */ - dql->limit = 0; - dql->num_queued = 0; - dql->num_completed = 0; - dql->last_obj_cnt = 0; - dql->prev_num_queued = 0; - dql->prev_last_obj_cnt = 0; - dql->prev_ovlimit = 0; + memset(dql, 0, offsetof(struct dql, lowest_slack)); dql->lowest_slack = UINT_MAX; dql->slack_start_time = jiffies; } -- 1.9.1