{"id":816469,"url":"http://patchwork.ozlabs.org/api/patches/816469/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170920201714.19817-11-pasha.tatashin@oracle.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","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":"<20170920201714.19817-11-pasha.tatashin@oracle.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20170920201714.19817-11-pasha.tatashin@oracle.com/","date":"2017-09-20T20:17:12","name":"[v9,10/12] x86/kasan: use kasan_map_populate()","commit_ref":null,"pull_url":null,"state":"not-applicable","archived":false,"hash":"135f8ec2d71e5d0bb87729ca9cba7cee31ac2954","submitter":{"id":71010,"url":"http://patchwork.ozlabs.org/api/people/71010/?format=json","name":"Pavel Tatashin","email":"pasha.tatashin@oracle.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170920201714.19817-11-pasha.tatashin@oracle.com/mbox/","series":[{"id":4225,"url":"http://patchwork.ozlabs.org/api/series/4225/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=4225","date":"2017-09-20T20:17:06","name":"complete deferred page initialization","version":9,"mbox":"http://patchwork.ozlabs.org/series/4225/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/816469/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/816469/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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 3xyBFl6vVvz9s7v\n\tfor ;\n\tThu, 21 Sep 2017 06:30:35 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xyBFl673lzDrbf\n\tfor ;\n\tThu, 21 Sep 2017 06:30:35 +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 3xy9zy1xkwzDrFp\n\tfor ;\n\tThu, 21 Sep 2017 06:18:37 +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 v8KKHaKR011493\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:37 GMT","from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235])\n\tby userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id\n\tv8KKHab9030177\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=OK); Wed, 20 Sep 2017 20:17:36 GMT","from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14])\n\tby aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id\n\tv8KKHZEX007276; Wed, 20 Sep 2017 20:17:35 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 13:17:35 -0700"],"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=)","From":"Pavel Tatashin ","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, mark.rutland@arm.com,\n\twill.deacon@arm.com, catalin.marinas@arm.com, sam@ravnborg.org,\n\tmgorman@techsingularity.net, steven.sistare@oracle.com,\n\tdaniel.m.jordan@oracle.com, bob.picco@oracle.com","Subject":"[PATCH v9 10/12] x86/kasan: use kasan_map_populate()","Date":"Wed, 20 Sep 2017 16:17:12 -0400","Message-Id":"<20170920201714.19817-11-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":"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","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"To optimize the performance of struct page initialization,\nvmemmap_populate() will no longer zero memory.\n\nTherefore, we must use a new interface to allocate and map kasan shadow\nmemory, that also zeroes memory for us.\n\nSigned-off-by: Pavel Tatashin \n---\n arch/x86/mm/kasan_init_64.c | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)","diff":"diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c\nindex bc84b73684b7..2db95efd208e 100644\n--- a/arch/x86/mm/kasan_init_64.c\n+++ b/arch/x86/mm/kasan_init_64.c\n@@ -23,7 +23,7 @@ static int __init map_range(struct range *range)\n \tstart = (unsigned long)kasan_mem_to_shadow(pfn_to_kaddr(range->start));\n \tend = (unsigned long)kasan_mem_to_shadow(pfn_to_kaddr(range->end));\n \n-\treturn vmemmap_populate(start, end, NUMA_NO_NODE);\n+\treturn kasan_map_populate(start, end, NUMA_NO_NODE);\n }\n \n static void __init clear_pgds(unsigned long start,\n@@ -136,9 +136,9 @@ void __init kasan_init(void)\n \t\tkasan_mem_to_shadow((void *)PAGE_OFFSET + MAXMEM),\n \t\tkasan_mem_to_shadow((void *)__START_KERNEL_map));\n \n-\tvmemmap_populate((unsigned long)kasan_mem_to_shadow(_stext),\n-\t\t\t(unsigned long)kasan_mem_to_shadow(_end),\n-\t\t\tNUMA_NO_NODE);\n+\tkasan_map_populate((unsigned long)kasan_mem_to_shadow(_stext),\n+\t\t\t (unsigned long)kasan_mem_to_shadow(_end),\n+\t\t\t NUMA_NO_NODE);\n \n \tkasan_populate_zero_shadow(kasan_mem_to_shadow((void *)MODULES_END),\n \t\t\t(void *)KASAN_SHADOW_END);\n","prefixes":["v9","10/12"]}