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GET /api/patches/806913/?format=api
{ "id": 806913, "url": "http://patchwork.ozlabs.org/api/patches/806913/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1503972142-289376-5-git-send-email-pasha.tatashin@oracle.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<1503972142-289376-5-git-send-email-pasha.tatashin@oracle.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/1503972142-289376-5-git-send-email-pasha.tatashin@oracle.com/", "date": "2017-08-29T02:02:15", "name": "[v7,04/11] 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": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1503972142-289376-5-git-send-email-pasha.tatashin@oracle.com/mbox/", "series": [ { "id": 286, "url": "http://patchwork.ozlabs.org/api/series/286/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=286", "date": "2017-08-29T02:02:21", "name": "complete deferred page initialization", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/286/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/806913/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/806913/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "patchwork-incoming@ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": [ "patchwork-incoming@ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xhBt14xZrz9s1h\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 29 Aug 2017 12:10:01 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xhBt13ZyszDqrx\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 29 Aug 2017 12:10:01 +1000 (AEST)", "from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xhBkh1PL0zDqKk\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tTue, 29 Aug 2017 12:03:39 +1000 (AEST)", "from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71])\n\tby aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with\n\tESMTP id v7T22XcU011014\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Tue, 29 Aug 2017 02:02:34 GMT", "from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75])\n\tby userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v7T22XBm006917\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Tue, 29 Aug 2017 02:02:33 GMT", "from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17])\n\tby userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id\n\tv7T22W60012145; Tue, 29 Aug 2017 02:02:32 GMT", "from ca-ldom-ol-build-1.us.oracle.com (/10.129.68.23)\n\tby default (Oracle Beehive Gateway v4.0)\n\twith ESMTP ; Mon, 28 Aug 2017 19:02:31 -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, willy@infradead.org, \n\tmhocko@kernel.org, ard.biesheuvel@linaro.org, will.deacon@arm.com,\n\tcatalin.marinas@arm.com, sam@ravnborg.org, mgorman@techsingularity.net,\n\tSteven.Sistare@oracle.com, daniel.m.jordan@oracle.com,\n\tbob.picco@oracle.com", "Subject": "[PATCH v7 04/11] sparc64: simplify vmemmap_populate", "Date": "Mon, 28 Aug 2017 22:02:15 -0400", "Message-Id": "<1503972142-289376-5-git-send-email-pasha.tatashin@oracle.com>", "X-Mailer": "git-send-email 1.7.1", "In-Reply-To": "<1503972142-289376-1-git-send-email-pasha.tatashin@oracle.com>", "References": "<1503972142-289376-1-git-send-email-pasha.tatashin@oracle.com>", "X-Source-IP": "userv0021.oracle.com [156.151.31.71]", "X-BeenThere": "linuxppc-dev@lists.ozlabs.org", "X-Mailman-Version": "2.1.23", "Precedence": "list", "List-Id": "Linux on PowerPC Developers Mail List\n\t<linuxppc-dev.lists.ozlabs.org>", "List-Unsubscribe": "<https://lists.ozlabs.org/options/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>", "List-Archive": "<http://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>", "List-Subscribe": "<https://lists.ozlabs.org/listinfo/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>", "Errors-To": "linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org", "Sender": "\"Linuxppc-dev\"\n\t<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.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>\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 12dbba85a2e2..a603d2c9087d 100644\n--- a/arch/sparc/mm/init_64.c\n+++ b/arch/sparc/mm/init_64.c\n@@ -2611,30 +2611,19 @@ 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": [ "v7", "04/11" ] }