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GET /api/patches/663680/?format=api
{ "id": 663680, "url": "http://patchwork.ozlabs.org/api/patches/663680/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1472476010-4709-3-git-send-email-srikar@linux.vnet.ibm.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": "<1472476010-4709-3-git-send-email-srikar@linux.vnet.ibm.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/1472476010-4709-3-git-send-email-srikar@linux.vnet.ibm.com/", "date": "2016-08-29T13:06:49", "name": "[v3,2/3] mm/memblock: Expose total reserved memory", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "0ba3534c5d025d8926bd7d5af928cb7213f636b8", "submitter": { "id": 11795, "url": "http://patchwork.ozlabs.org/api/people/11795/?format=api", "name": "Srikar Dronamraju", "email": "srikar@linux.vnet.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1472476010-4709-3-git-send-email-srikar@linux.vnet.ibm.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/663680/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/663680/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 AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3sNBqf27wzz9s8x\n\tfor <patchwork-incoming@ozlabs.org>;\n\tMon, 29 Aug 2016 23:11:26 +1000 (AEST)", "from ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3sNBqf1K4dzDrgT\n\tfor <patchwork-incoming@ozlabs.org>;\n\tMon, 29 Aug 2016 23:11:26 +1000 (AEST)", "from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com\n\t[148.163.156.1])\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 3sNBlj5wqBzDrgY\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tMon, 29 Aug 2016 23:08:01 +1000 (AEST)", "from pps.filterd (m0098410.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id\n\tu7TD4SfE005860\n\tfor <linuxppc-dev@lists.ozlabs.org>; Mon, 29 Aug 2016 09:08:00 -0400", "from e23smtp01.au.ibm.com (e23smtp01.au.ibm.com [202.81.31.143])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2537cwx18h-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <linuxppc-dev@lists.ozlabs.org>; Mon, 29 Aug 2016 09:07:59 -0400", "from localhost\n\tby e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <linuxppc-dev@lists.ozlabs.org> from <srikar@linux.vnet.ibm.com>; \n\tMon, 29 Aug 2016 23:07:57 +1000", "from d23dlp03.au.ibm.com (202.81.31.214)\n\tby e23smtp01.au.ibm.com (202.81.31.207) with IBM ESMTP SMTP Gateway:\n\tAuthorized Use Only! Violators will be prosecuted; \n\tMon, 29 Aug 2016 23:07:55 +1000", "from d23relay08.au.ibm.com (d23relay08.au.ibm.com [9.185.71.33])\n\tby d23dlp03.au.ibm.com (Postfix) with ESMTP id 7CBEE3578052\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tMon, 29 Aug 2016 23:07:54 +1000 (EST)", "from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96])\n\tby d23relay08.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id\n\tu7TD7sbE7078296\n\tfor <linuxppc-dev@lists.ozlabs.org>; Mon, 29 Aug 2016 23:07:54 +1000", "from d23av01.au.ibm.com (localhost [127.0.0.1])\n\tby d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id\n\tu7TD7rYT013194\n\tfor <linuxppc-dev@lists.ozlabs.org>; Mon, 29 Aug 2016 23:07:54 +1000", "from srdronam.in.ibm.com (srdronam.in.ibm.com [9.124.31.34])\n\tby d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id\n\tu7TD7hkC012996; Mon, 29 Aug 2016 23:07:50 +1000" ], "X-IBM-Helo": "d23dlp03.au.ibm.com", "X-IBM-MailFrom": "srikar@linux.vnet.ibm.com", "X-IBM-RcptTo": "linuxppc-dev@lists.ozlabs.org", "From": "Srikar Dronamraju <srikar@linux.vnet.ibm.com>", "To": "Andrew Morton <akpm@linux-foundation.org>", "Subject": "[PATCH v3 2/3] mm/memblock: Expose total reserved memory", "Date": "Mon, 29 Aug 2016 18:36:49 +0530", "X-Mailer": "git-send-email 2.1.4", "In-Reply-To": "<1472476010-4709-1-git-send-email-srikar@linux.vnet.ibm.com>", "References": "<1472476010-4709-1-git-send-email-srikar@linux.vnet.ibm.com>", "X-TM-AS-MML": "disable", "X-Content-Scanned": "Fidelis XPS MAILER", "x-cbid": "16082913-1617-0000-0000-000001503F66", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "16082913-1618-0000-0000-00004698C6E6", "Message-Id": "<1472476010-4709-3-git-send-email-srikar@linux.vnet.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2016-08-29_05:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=0\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000\n\tdefinitions=main-1608290132", "X-BeenThere": "linuxppc-dev@lists.ozlabs.org", "X-Mailman-Version": "2.1.22", "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>", "Cc": "Srikar Dronamraju <srikar@linux.vnet.ibm.com>,\n\tDave Hansen <dave.hansen@intel.com>, linuxppc-dev@lists.ozlabs.org,\n\tMichal Hocko <mhocko@kernel.org>, linux-mm@kvack.org,\n\tMahesh Salgaonkar <mahesh@linux.vnet.ibm.com>,\n\tHari Bathini <hbathini@linux.vnet.ibm.com>,\n\tMel Gorman <mgorman@techsingularity.net>,\n\tVlastimil Babka <vbabka@suse.cz>", "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": "The total reserved memory in a system is accounted but not available for\nuse use outside mm/memblock.c. By exposing the total reserved memory,\nsystems can better calculate the size of large hashes.\n\nCc: linux-mm@kvack.org\nCc: Mel Gorman <mgorman@techsingularity.net>\nCc: Vlastimil Babka <vbabka@suse.cz>\nCc: Michal Hocko <mhocko@kernel.org>\nCc: Andrew Morton <akpm@linux-foundation.org>\nCc: Michael Ellerman <mpe@ellerman.id.au>\nCc: linuxppc-dev@lists.ozlabs.org\nCc: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>\nCc: Hari Bathini <hbathini@linux.vnet.ibm.com>\nCc: Dave Hansen <dave.hansen@intel.com>\nCc: Balbir Singh <bsingharora@gmail.com>\nSuggested-by: Michael Ellerman <mpe@ellerman.id.au>\nSigned-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>\n---\n include/linux/memblock.h | 1 +\n mm/memblock.c | 5 +++++\n 2 files changed, 6 insertions(+)", "diff": "diff --git a/include/linux/memblock.h b/include/linux/memblock.h\nindex 2925da2..5b759c9 100644\n--- a/include/linux/memblock.h\n+++ b/include/linux/memblock.h\n@@ -328,6 +328,7 @@ phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align,\n phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align,\n \t\t\t\t phys_addr_t max_addr);\n phys_addr_t memblock_phys_mem_size(void);\n+phys_addr_t memblock_reserved_size(void);\n phys_addr_t memblock_mem_size(unsigned long limit_pfn);\n phys_addr_t memblock_start_of_DRAM(void);\n phys_addr_t memblock_end_of_DRAM(void);\ndiff --git a/mm/memblock.c b/mm/memblock.c\nindex 483197e..c8dfa43 100644\n--- a/mm/memblock.c\n+++ b/mm/memblock.c\n@@ -1438,6 +1438,11 @@ phys_addr_t __init_memblock memblock_phys_mem_size(void)\n \treturn memblock.memory.total_size;\n }\n \n+phys_addr_t __init_memblock memblock_reserved_size(void)\n+{\n+\treturn memblock.reserved.total_size;\n+}\n+\n phys_addr_t __init memblock_mem_size(unsigned long limit_pfn)\n {\n \tunsigned long pages = 0;\n", "prefixes": [ "v3", "2/3" ] }