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GET /api/patches/813993/?format=api
{ "id": 813993, "url": "http://patchwork.ozlabs.org/api/patches/813993/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170914223517.8242-5-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": "<20170914223517.8242-5-pasha.tatashin@oracle.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20170914223517.8242-5-pasha.tatashin@oracle.com/", "date": "2017-09-14T22:35:10", "name": "[v8,04/11] 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/20170914223517.8242-5-pasha.tatashin@oracle.com/mbox/", "series": [ { "id": 3173, "url": "http://patchwork.ozlabs.org/api/series/3173/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=3173", "date": "2017-09-14T22:35:12", "name": "complete deferred page initialization", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/3173/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/813993/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/813993/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 [103.22.144.68])\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 3xtYT71RZ0z9sCZ\n\tfor <patchwork-incoming@ozlabs.org>;\n\tFri, 15 Sep 2017 08:42:51 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xtYT70ZpBzDrpn\n\tfor <patchwork-incoming@ozlabs.org>;\n\tFri, 15 Sep 2017 08:42:51 +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 3xtYL35Q8TzDrW0\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tFri, 15 Sep 2017 08:36:43 +1000 (AEST)", "from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74])\n\tby aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with\n\tESMTP id v8EMZTQS029474\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Thu, 14 Sep 2017 22:35:29 GMT", "from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72])\n\tby userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v8EMZTtV028430\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Thu, 14 Sep 2017 22:35:29 GMT", "from ubhmp0003.oracle.com (ubhmp0003.oracle.com [156.151.24.56])\n\tby userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id v8EMZTQ9009725; \n\tThu, 14 Sep 2017 22:35:29 GMT", "from cmex.localdomain (/12.145.98.253)\n\tby default (Oracle Beehive Gateway v4.0)\n\twith ESMTP ; Thu, 14 Sep 2017 22:35:28 +0000" ], "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=oracle.com\n\t(client-ip=141.146.126.69; helo=aserp1040.oracle.com;\n\tenvelope-from=pasha.tatashin@oracle.com; receiver=<UNKNOWN>)", "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 v8 04/11] sparc64: simplify vmemmap_populate", "Date": "Thu, 14 Sep 2017 18:35:10 -0400", "Message-Id": "<20170914223517.8242-5-pasha.tatashin@oracle.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170914223517.8242-1-pasha.tatashin@oracle.com>", "References": "<20170914223517.8242-1-pasha.tatashin@oracle.com>", "X-Source-IP": "userv0022.oracle.com [156.151.31.74]", "X-BeenThere": "linuxppc-dev@lists.ozlabs.org", "X-Mailman-Version": "2.1.24", "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>\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 078f1352736e..fc47afa518f5 100644\n--- a/arch/sparc/mm/init_64.c\n+++ b/arch/sparc/mm/init_64.c\n@@ -2642,30 +2642,19 @@ 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": [ "v8", "04/11" ] }