From patchwork Sat Jun 19 08:41:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Menglong Dong X-Patchwork-Id: 12332781 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=-10.8 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,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 4AE55C48BE5 for ; Sat, 19 Jun 2021 08:41:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E654610FB for ; Sat, 19 Jun 2021 08:41:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234325AbhFSIne (ORCPT ); Sat, 19 Jun 2021 04:43:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230032AbhFSInc (ORCPT ); Sat, 19 Jun 2021 04:43:32 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A7DDC061574; Sat, 19 Jun 2021 01:41:22 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id g6-20020a17090adac6b029015d1a9a6f1aso8225271pjx.1; Sat, 19 Jun 2021 01:41:22 -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:mime-version :content-transfer-encoding; bh=OTx6q5PnXq+yGS2yZ7d+MKeUb58X7yAoJp+atwowZSw=; b=c5c2+U0N0+79Mckt6pAaqn1Im1dEZCItC/bgPnCF5XmctsnUZrmCtbDSDvkvZ+mbxP ePKmJMnfLY5ZiKWGq5pw9opXQ7ivT9r8+qsj7+MWEFOgadXMZN5ausc+I61Q1/97kJCU iF7tUczgFcChc5AkbMdhpCDR9DZVuDZC806vx0VfP83Lgd5VKEj022rRxbFl8pbvOQM4 x1MB4jNK3o9ryK6trkcP/igjOm0EPstXX/MMaDaVQhAfTGBf29CjogANY7q7VrHIELLs 2FHkHympM5RqUHlIH7NwqCtzCwW0iAExxLsM1doKwpUB5ecNMpZr9PAEQSI28DaxOpbe R0mg== 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=OTx6q5PnXq+yGS2yZ7d+MKeUb58X7yAoJp+atwowZSw=; b=N5Kw0PChN1Ngtz5n3EZxHDmIbJWtgbSJSkkSxkss6j4LSVle05pDnPN9IP1ZV3XnEc RXGrYS57wWaFT1FL0yAvc2MaG3LLD9poL16I3l4+vo8UGWzGGnRe7u+33Yd5VlP2T4NC +lq+sB3uftvtP8MI0Bjt3b5wIbvQRw7PlkLuQPDwgCAPG0Ocsp2IrZR1zoYlx4bfJ3Zc 6D3Tr+H70HZiGXtrsP7VPIsBvyGXANcSYuxTQUoYaFgUN1XbOvy2YjayHC/+dAdfEF91 PqwL1NG7mVZi7zNiZgfogyS7VrG961SKZwINqKnG2KW/NSU2QDhgD9KCu6GYZSQT8heK SOrw== X-Gm-Message-State: AOAM533TuBMVhbGTsGiHY9nq3JtZ5IYSNer9IJSJwkKpNlmDaWk82anb TKnWfSdyDBrkdiRx5aA0XnI= X-Google-Smtp-Source: ABdhPJwHZPSRKMK4Xx9Du44YE9frNlglRxbJeMbwobTX2fVSIbdUZuKj318obreCw31gIg4PSQGepQ== X-Received: by 2002:a17:90a:4503:: with SMTP id u3mr15791921pjg.210.1624092081583; Sat, 19 Jun 2021 01:41:21 -0700 (PDT) Received: from localhost ([178.236.46.205]) by smtp.gmail.com with ESMTPSA id v6sm10153921pfi.46.2021.06.19.01.41.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Jun 2021 01:41:21 -0700 (PDT) From: menglong8.dong@gmail.com X-Google-Original-From: dong.menglong@zte.com.cn To: jmaloy@redhat.com Cc: ying.xue@windriver.com, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, lxin@redhat.com, hoang.h.le@dektech.com.au, Menglong Dong Subject: [PATCH v5 net-next 0/2] net: tipc: fix FB_MTU eat two pages and do some code cleanup Date: Sat, 19 Jun 2021 16:41:04 +0800 Message-Id: <20210619084106.3657-1-dong.menglong@zte.com.cn> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Menglong Dong In the first patch, FB_MTU is redefined to make sure data size will not exceed PAGE_SIZE. Besides, I removed the alignment for buf_size in tipc_buf_acquire, because skb_alloc_fclone will do the alignment job. In the second patch, I removed align() in msg.c and replace it with BUF_ALIGN(). Changes since V4: - remove ONE_PAGE_SKB_SZ and replace it with one_page_mtu in the first patch. - fix some code style problems for the second patch. Menglong Dong (2): net: tipc: fix FB_MTU eat two pages net: tipc: replace align() with ALIGN in msg.c net/tipc/bcast.c | 2 +- net/tipc/msg.c | 27 +++++++++++---------------- net/tipc/msg.h | 3 ++- 3 files changed, 14 insertions(+), 18 deletions(-)