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{
    "id": 816443,
    "url": "http://patchwork.ozlabs.org/api/patches/816443/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/sparclinux/patch/20170920201714.19817-5-pasha.tatashin@oracle.com/",
    "project": {
        "id": 10,
        "url": "http://patchwork.ozlabs.org/api/projects/10/?format=api",
        "name": "Linux SPARC Development ",
        "link_name": "sparclinux",
        "list_id": "sparclinux.vger.kernel.org",
        "list_email": "sparclinux@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170920201714.19817-5-pasha.tatashin@oracle.com>",
    "list_archive_url": null,
    "date": "2017-09-20T20:17:06",
    "name": "[v9,04/12] sparc64: simplify vmemmap_populate",
    "commit_ref": null,
    "pull_url": null,
    "state": "not-applicable",
    "archived": false,
    "hash": "0c078a5f0fc69521f1f577e4987c38edab41164b",
    "submitter": {
        "id": 71010,
        "url": "http://patchwork.ozlabs.org/api/people/71010/?format=api",
        "name": "Pavel Tatashin",
        "email": "pasha.tatashin@oracle.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/sparclinux/patch/20170920201714.19817-5-pasha.tatashin@oracle.com/mbox/",
    "series": [
        {
            "id": 4223,
            "url": "http://patchwork.ozlabs.org/api/series/4223/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/sparclinux/list/?series=4223",
            "date": "2017-09-20T20:17:06",
            "name": "complete deferred page initialization",
            "version": 9,
            "mbox": "http://patchwork.ozlabs.org/series/4223/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/816443/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/816443/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<sparclinux-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=sparclinux-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xyB02651Tz9s7v\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 21 Sep 2017 06:18:42 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751436AbdITUSl (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tWed, 20 Sep 2017 16:18:41 -0400",
            "from aserp1040.oracle.com ([141.146.126.69]:22842 \"EHLO\n\taserp1040.oracle.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1750919AbdITUSk (ORCPT\n\t<rfc822; sparclinux@vger.kernel.org>); Wed, 20 Sep 2017 16:18:40 -0400",
            "from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234])\n\tby aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2)\n\twith ESMTP id v8KKHR1O011377\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:28 GMT",
            "from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75])\n\tby aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v8KKHRi9021156\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:27 GMT",
            "from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14])\n\tby userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id\n\tv8KKHQ2q011250; Wed, 20 Sep 2017 20:17:26 GMT",
            "from xakep.us.oracle.com (/10.154.127.176)\n\tby default (Oracle Beehive Gateway v4.0)\n\twith ESMTP ; Wed, 20 Sep 2017 13:17:25 -0700"
        ],
        "From": "Pavel Tatashin <pasha.tatashin@oracle.com>",
        "To": "linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org,\n\tlinux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,\n\tlinux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org,\n\tx86@kernel.org, kasan-dev@googlegroups.com, borntraeger@de.ibm.com,\n\theiko.carstens@de.ibm.com, davem@davemloft.net,\n\twilly@infradead.org, mhocko@kernel.org, ard.biesheuvel@linaro.org,\n\tmark.rutland@arm.com, will.deacon@arm.com, catalin.marinas@arm.com,\n\tsam@ravnborg.org, mgorman@techsingularity.net,\n\tsteven.sistare@oracle.com, daniel.m.jordan@oracle.com,\n\tbob.picco@oracle.com",
        "Subject": "[PATCH v9 04/12] sparc64: simplify vmemmap_populate",
        "Date": "Wed, 20 Sep 2017 16:17:06 -0400",
        "Message-Id": "<20170920201714.19817-5-pasha.tatashin@oracle.com>",
        "X-Mailer": "git-send-email 2.14.1",
        "In-Reply-To": "<20170920201714.19817-1-pasha.tatashin@oracle.com>",
        "References": "<20170920201714.19817-1-pasha.tatashin@oracle.com>",
        "X-Source-IP": "aserv0022.oracle.com [141.146.126.234]",
        "Sender": "sparclinux-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<sparclinux.vger.kernel.org>",
        "X-Mailing-List": "sparclinux@vger.kernel.org"
    },
    "content": "Remove duplicating code by using common functions\nvmemmap_pud_populate and vmemmap_pgd_populate.\n\nSigned-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>\nReviewed-by: Steven Sistare <steven.sistare@oracle.com>\nReviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>\nReviewed-by: Bob Picco <bob.picco@oracle.com>\nAcked-by: David S. Miller <davem@davemloft.net>\n---\n arch/sparc/mm/init_64.c | 23 ++++++-----------------\n 1 file changed, 6 insertions(+), 17 deletions(-)",
    "diff": "diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c\nindex 310c6754bcaa..99aea4d15a5f 100644\n--- a/arch/sparc/mm/init_64.c\n+++ b/arch/sparc/mm/init_64.c\n@@ -2651,30 +2651,19 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,\n \tvstart = vstart & PMD_MASK;\n \tvend = ALIGN(vend, PMD_SIZE);\n \tfor (; vstart < vend; vstart += PMD_SIZE) {\n-\t\tpgd_t *pgd = pgd_offset_k(vstart);\n+\t\tpgd_t *pgd = vmemmap_pgd_populate(vstart, node);\n \t\tunsigned long pte;\n \t\tpud_t *pud;\n \t\tpmd_t *pmd;\n \n-\t\tif (pgd_none(*pgd)) {\n-\t\t\tpud_t *new = vmemmap_alloc_block(PAGE_SIZE, node);\n+\t\tif (!pgd)\n+\t\t\treturn -ENOMEM;\n \n-\t\t\tif (!new)\n-\t\t\t\treturn -ENOMEM;\n-\t\t\tpgd_populate(&init_mm, pgd, new);\n-\t\t}\n-\n-\t\tpud = pud_offset(pgd, vstart);\n-\t\tif (pud_none(*pud)) {\n-\t\t\tpmd_t *new = vmemmap_alloc_block(PAGE_SIZE, node);\n-\n-\t\t\tif (!new)\n-\t\t\t\treturn -ENOMEM;\n-\t\t\tpud_populate(&init_mm, pud, new);\n-\t\t}\n+\t\tpud = vmemmap_pud_populate(pgd, vstart, node);\n+\t\tif (!pud)\n+\t\t\treturn -ENOMEM;\n \n \t\tpmd = pmd_offset(pud, vstart);\n-\n \t\tpte = pmd_val(*pmd);\n \t\tif (!(pte & _PAGE_VALID)) {\n \t\t\tvoid *block = vmemmap_alloc_block(PMD_SIZE, node);\n",
    "prefixes": [
        "v9",
        "04/12"
    ]
}