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GET /api/patches/116519/?format=api
{ "id": 116519, "url": "http://patches.dpdk.org/api/patches/116519/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20220921031256.4954-1-fengchengwen@huawei.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20220921031256.4954-1-fengchengwen@huawei.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20220921031256.4954-1-fengchengwen@huawei.com", "date": "2022-09-21T03:12:47", "name": "[v2,0/9] introduce memarea library", "commit_ref": null, "pull_url": null, "state": null, "archived": false, "hash": null, "submitter": { "id": 2146, "url": "http://patches.dpdk.org/api/people/2146/?format=api", "name": "fengchengwen", "email": "fengchengwen@huawei.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20220921031256.4954-1-fengchengwen@huawei.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/116519/comments/", "check": "pending", "checks": "http://patches.dpdk.org/api/patches/116519/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 2556EA034C;\n\tWed, 21 Sep 2022 05:19:14 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id B6E8340E0F;\n\tWed, 21 Sep 2022 05:19:13 +0200 (CEST)", "from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187])\n by mails.dpdk.org (Postfix) with ESMTP id 070C04014F\n for <dev@dpdk.org>; Wed, 21 Sep 2022 05:19:11 +0200 (CEST)", "from dggpeml500024.china.huawei.com (unknown [172.30.72.54])\n by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MXNq91S65zpT1K;\n Wed, 21 Sep 2022 11:16:21 +0800 (CST)", "from localhost.localdomain (10.67.165.24) by\n dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id\n 15.1.2375.31; Wed, 21 Sep 2022 11:19:09 +0800" ], "From": "Chengwen Feng <fengchengwen@huawei.com>", "To": "<thomas@monjalon.net>", "CC": "<dev@dpdk.org>, <stephen@networkplumber.org>, <jerinjacobk@gmail.com>,\n <dmitry.kozliuk@gmail.com>", "Subject": "[PATCH v2 0/9] introduce memarea library", "Date": "Wed, 21 Sep 2022 03:12:47 +0000", "Message-ID": "<20220921031256.4954-1-fengchengwen@huawei.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20220721044648.6817-1-fengchengwen@huawei.com>", "References": "<20220721044648.6817-1-fengchengwen@huawei.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[10.67.165.24]", "X-ClientProxiedBy": "dggems704-chm.china.huawei.com (10.3.19.181) To\n dggpeml500024.china.huawei.com (7.185.36.10)", "X-CFilter-Loop": "Reflected", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "The memarea library is an allocator of variable-size object. It is a\ncollection of allocated objects that can be efficiently alloc or free\nall at once, the main feature are as follows:\na) it facilitate alloc and free of memory with low overhead.\n\nb) it provides refcnt feature which could be useful in some scenes.\n\nc) it supports MT-safe as long as it's specified at creation time.\n\nd) it's memory source could comes from:\nd.1) system API: malloc in C library.\nd.2) user provided address: it can be from the rte_malloc API series\nor extended memory as long as it is available.\nd.3) user provided memarea: it can be from another memarea.\n\ne) it provides backup memory mechanism, the memarea object could use\nanother memarea object as a backup.\n\nNote:\na) the memarea is oriented towards the application layer, which could\nprovides 'region-based memory management' [1] function.\nb) the eal library also provide memory zone/heap management, but these\nare tied to huge pages management.\n\n[1] https://en.wikipedia.org/wiki/Region-based_memory_management\n\nSigned-off-by: Chengwen Feng <fengchengwen@huawei.com>\n\nChengwen Feng (9):\n memarea: introduce memory area library\n test/memarea: support memarea test\n memarea: support alloc/free/update-refcnt API\n test/memarea: support alloc/free/update-refcnt test\n memarea: support dump API\n test/memarea: support dump test\n memarea: support backup memory mechanism\n test/memarea: support backup memory test\n test/memarea: support no MT-safe test\n\n---\nv2: \n* fix compile issues reported by dpdk-test-report\n* address Dimitry and Jerin's comments\n* add no MT-safe test\n\n MAINTAINERS | 6 +\n app/test/meson.build | 2 +\n app/test/test_memarea.c | 379 +++++++++++++++++++++++++\n doc/api/doxy-api-index.md | 3 +-\n doc/api/doxy-api.conf.in | 1 +\n doc/guides/prog_guide/index.rst | 1 +\n doc/guides/prog_guide/memarea_lib.rst | 57 ++++\n doc/guides/rel_notes/release_22_11.rst | 6 +\n lib/eal/include/rte_log.h | 1 +\n lib/memarea/memarea_private.h | 35 +++\n lib/memarea/meson.build | 16 ++\n lib/memarea/rte_memarea.c | 379 +++++++++++++++++++++++++\n lib/memarea/rte_memarea.h | 210 ++++++++++++++\n lib/memarea/version.map | 16 ++\n lib/meson.build | 1 +\n 15 files changed, 1112 insertions(+), 1 deletion(-)\n create mode 100644 app/test/test_memarea.c\n create mode 100644 doc/guides/prog_guide/memarea_lib.rst\n create mode 100644 lib/memarea/memarea_private.h\n create mode 100644 lib/memarea/meson.build\n create mode 100644 lib/memarea/rte_memarea.c\n create mode 100644 lib/memarea/rte_memarea.h\n create mode 100644 lib/memarea/version.map", "diff": null, "prefixes": [ "v2", "0/9" ] }