From patchwork Sun Apr 8 20:17:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Burakov, Anatoly" X-Patchwork-Id: 37545 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 53DDA1B694; Sun, 8 Apr 2018 22:19:01 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 1C6621B68B for ; Sun, 8 Apr 2018 22:18:51 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Apr 2018 13:18:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,424,1517904000"; d="scan'208";a="32059800" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga008.jf.intel.com with ESMTP; 08 Apr 2018 13:18:46 -0700 Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com [10.237.217.45]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id w38KIjSM021084; Sun, 8 Apr 2018 21:18:45 +0100 Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id w38KIjdD010912; Sun, 8 Apr 2018 21:18:45 +0100 Received: (from aburakov@localhost) by sivswdev01.ir.intel.com with LOCAL id w38KIjdn010904; Sun, 8 Apr 2018 21:18:45 +0100 From: Anatoly Burakov To: dev@dpdk.org Cc: keith.wiles@intel.com, jianfeng.tan@intel.com, andras.kovacs@ericsson.com, laszlo.vadkeri@ericsson.com, benjamin.walker@intel.com, bruce.richardson@intel.com, thomas@monjalon.net, konstantin.ananyev@intel.com, kuralamudhan.ramakrishnan@intel.com, louise.m.daly@intel.com, nelio.laranjeiro@6wind.com, yskoh@mellanox.com, pepperjo@japf.ch, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, olivier.matz@6wind.com, shreyansh.jain@nxp.com, gowrishankar.m@linux.vnet.ibm.com Date: Sun, 8 Apr 2018 21:17:39 +0100 Message-Id: <3038f7ee6cc50e0bb8b31036dc17218d6e6dba2b.1523218215.git.anatoly.burakov@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: References: In-Reply-To: References: Subject: [dpdk-dev] [PATCH v4 06/70] eal: make malloc_elem_join_adjacent_free public X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Down the line, we will need to join free segments to determine whether the resulting contiguous free space is bigger than a page size, allowing to free some memory back to the system. Signed-off-by: Anatoly Burakov --- lib/librte_eal/common/malloc_elem.c | 6 +++--- lib/librte_eal/common/malloc_elem.h | 3 +++ 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/lib/librte_eal/common/malloc_elem.c b/lib/librte_eal/common/malloc_elem.c index e02ed88..2291ee1 100644 --- a/lib/librte_eal/common/malloc_elem.c +++ b/lib/librte_eal/common/malloc_elem.c @@ -325,8 +325,8 @@ join_elem(struct malloc_elem *elem1, struct malloc_elem *elem2) elem1->next = next; } -static struct malloc_elem * -elem_join_adjacent_free(struct malloc_elem *elem) +struct malloc_elem * +malloc_elem_join_adjacent_free(struct malloc_elem *elem) { /* * check if next element exists, is adjacent and is free, if so join @@ -388,7 +388,7 @@ malloc_elem_free(struct malloc_elem *elem) ptr = RTE_PTR_ADD(elem, sizeof(*elem)); data_len = elem->size - MALLOC_ELEM_OVERHEAD; - elem = elem_join_adjacent_free(elem); + elem = malloc_elem_join_adjacent_free(elem); malloc_elem_free_list_insert(elem); diff --git a/lib/librte_eal/common/malloc_elem.h b/lib/librte_eal/common/malloc_elem.h index 40e8eb5..99921d2 100644 --- a/lib/librte_eal/common/malloc_elem.h +++ b/lib/librte_eal/common/malloc_elem.h @@ -141,6 +141,9 @@ malloc_elem_alloc(struct malloc_elem *elem, size_t size, int malloc_elem_free(struct malloc_elem *elem); +struct malloc_elem * +malloc_elem_join_adjacent_free(struct malloc_elem *elem); + /* * attempt to resize a malloc_elem by expanding into any free space * immediately after it in memory.