From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id A09731B813 for ; Mon, 9 Apr 2018 20:01:24 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Apr 2018 11:01:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,427,1517904000"; d="scan'208";a="219003781" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga005.fm.intel.com with ESMTP; 09 Apr 2018 11:01:20 -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 w39I1JAG031021; Mon, 9 Apr 2018 19:01:20 +0100 Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id w39I1J9P027611; Mon, 9 Apr 2018 19:01:19 +0100 Received: (from aburakov@localhost) by sivswdev01.ir.intel.com with LOCAL id w39I1IhI027595; Mon, 9 Apr 2018 19:01:18 +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: Mon, 9 Apr 2018 19:00:09 +0100 Message-Id: <3038f7ee6cc50e0bb8b31036dc17218d6e6dba2b.1523296700.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 v5 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: , X-List-Received-Date: Mon, 09 Apr 2018 18:01:25 -0000 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 Tested-by: Santosh Shukla Tested-by: Hemant Agrawal --- Notes: v4: clarified commit message 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. -- 2.7.4