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{
    "id": 971,
    "url": "http://patchwork.ozlabs.org/api/patches/971/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/200809222150.m8MLogbY031872@imap1.linux-foundation.org/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<200809222150.m8MLogbY031872@imap1.linux-foundation.org>",
    "list_archive_url": null,
    "date": "2008-09-22T21:50:42",
    "name": "[6/8] drivers/net/wan: Use DIV_ROUND_UP",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "499fbb4c674055eb204f8b7959f031a04d9bd103",
    "submitter": {
        "id": 107,
        "url": "http://patchwork.ozlabs.org/api/people/107/?format=api",
        "name": "Andrew Morton",
        "email": "akpm@linux-foundation.org"
    },
    "delegate": {
        "id": 36,
        "url": "http://patchwork.ozlabs.org/api/users/36/?format=api",
        "username": "jgarzik",
        "first_name": "Jeff",
        "last_name": "Garzik",
        "email": "jgarzik@pobox.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/200809222150.m8MLogbY031872@imap1.linux-foundation.org/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/971/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/971/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.176.167])\n\tby ozlabs.org (Postfix) with ESMTP id A0F1ADDE9F\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 23 Sep 2008 07:57:51 +1000 (EST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1753972AbYIVV5q (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tMon, 22 Sep 2008 17:57:46 -0400",
            "(majordomo@vger.kernel.org) by vger.kernel.org id S1753963AbYIVV5p\n\t(ORCPT <rfc822; netdev-outgoing>); Mon, 22 Sep 2008 17:57:45 -0400",
            "from smtp1.linux-foundation.org ([140.211.169.13]:34596 \"EHLO\n\tsmtp1.linux-foundation.org\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1753929AbYIVV5n (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Mon, 22 Sep 2008 17:57:43 -0400",
            "from imap1.linux-foundation.org (imap1.linux-foundation.org\n\t[140.211.169.55])\n\tby smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with\n\tESMTP id m8MLrDO3018507\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);\n\tMon, 22 Sep 2008 14:57:32 -0700",
            "from localhost.localdomain (localhost [127.0.0.1])\n\tby imap1.linux-foundation.org\n\t(8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with ESMTP id\n\tm8MLogbY031872; Mon, 22 Sep 2008 14:50:42 -0700"
        ],
        "Message-Id": "<200809222150.m8MLogbY031872@imap1.linux-foundation.org>",
        "Subject": "[patch 6/8] drivers/net/wan: Use DIV_ROUND_UP",
        "To": "davem@davemloft.net",
        "Cc": "netdev@vger.kernel.org, akpm@linux-foundation.org, julia@diku.dk,\n\tchas@cmf.nrl.navy.mil",
        "From": "akpm@linux-foundation.org",
        "Date": "Mon, 22 Sep 2008 14:50:42 -0700",
        "X-Spam-Status": "No, hits=-3.359 required=5 tests=AWL, BAYES_00,\n\tOSDL_HEADER_SUBJECT_BRACKETED",
        "X-Spam-Checker-Version": "SpamAssassin 3.2.4-osdl_revision__1.47__",
        "X-MIMEDefang-Filter": "lf$Revision: 1.188 $",
        "X-Scanned-By": "MIMEDefang 2.63 on 140.211.169.13",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "From: Julia Lawall <julia@diku.dk>\n\nThe kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /\n(d)) but is perhaps more readable.\n\nAn extract of the semantic patch that makes this change is as follows:\n(http://www.emn.fr/x-info/coccinelle/)\n\n// <smpl>\n@haskernel@\n@@\n\n#include <linux/kernel.h>\n\n@depends on haskernel@\nexpression n,d;\n@@\n\n(\n- (n + d - 1) / d\n+ DIV_ROUND_UP(n,d)\n|\n- (n + (d - 1)) / d\n+ DIV_ROUND_UP(n,d)\n)\n\n@depends on haskernel@\nexpression n,d;\n@@\n\n- DIV_ROUND_UP((n),d)\n+ DIV_ROUND_UP(n,d)\n\n@depends on haskernel@\nexpression n,d;\n@@\n\n- DIV_ROUND_UP(n,(d))\n+ DIV_ROUND_UP(n,d)\n// </smpl>\n\nSigned-off-by: Julia Lawall <julia@diku.dk>\nCc: Chas Williams <chas@cmf.nrl.navy.mil>\nSigned-off-by: Andrew Morton <akpm@linux-foundation.org>\n---\n\n drivers/net/wan/sbni.c |    2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff -puN drivers/net/wan/sbni.c~drivers-net-wan-use-div_round_up drivers/net/wan/sbni.c\n--- a/drivers/net/wan/sbni.c~drivers-net-wan-use-div_round_up\n+++ a/drivers/net/wan/sbni.c\n@@ -856,7 +856,7 @@ prepare_to_send( struct sk_buff  *skb,  \n \t\tlen = SBNI_MIN_LEN;\n \n \tnl->tx_buf_p\t= skb;\n-\tnl->tx_frameno\t= (len + nl->maxframe - 1) / nl->maxframe;\n+\tnl->tx_frameno\t= DIV_ROUND_UP(len, nl->maxframe);\n \tnl->framelen\t= len < nl->maxframe  ?  len  :  nl->maxframe;\n \n \toutb( inb( dev->base_addr + CSR0 ) | TR_REQ,  dev->base_addr + CSR0 );\n",
    "prefixes": [
        "6/8"
    ]
}