From patchwork Thu Aug 16 14:43:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zhang X-Patchwork-Id: 43743 X-Patchwork-Delegate: ferruh.yigit@amd.com 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 78DD44CC3; Thu, 16 Aug 2018 16:42:56 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 9D4484C88 for ; Thu, 16 Aug 2018 16:42:51 +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 orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Aug 2018 07:42:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,247,1531810800"; d="scan'208";a="65704098" Received: from dpdk51.sh.intel.com ([10.67.110.190]) by orsmga008.jf.intel.com with ESMTP; 16 Aug 2018 07:42:40 -0700 From: Qi Zhang To: dev@dpdk.org Cc: magnus.karlsson@intel.com, bjorn.topel@intel.com, jingjing.wu@intel.com, xiaoyun.li@intel.com, ferruh.yigit@intel.com, Qi Zhang Date: Thu, 16 Aug 2018 22:43:18 +0800 Message-Id: <20180816144321.17719-4-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180816144321.17719-1-qi.z.zhang@intel.com> References: <20180816144321.17719-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [RFC v3 3/6] lib/mempool: allow page size aligned mempool 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" Allow create a mempool with page size aligned base address. Signed-off-by: Qi Zhang --- lib/librte_mempool/rte_mempool.c | 3 +++ lib/librte_mempool/rte_mempool.h | 1 + 2 files changed, 4 insertions(+) diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c index 03e6b5f73..61f7764c5 100644 --- a/lib/librte_mempool/rte_mempool.c +++ b/lib/librte_mempool/rte_mempool.c @@ -508,6 +508,9 @@ rte_mempool_populate_default(struct rte_mempool *mp) if (try_contig) flags |= RTE_MEMZONE_IOVA_CONTIG; + if (mp->flags & MEMPOOL_F_PAGE_ALIGN) + align = getpagesize(); + mz = rte_memzone_reserve_aligned(mz_name, mem_size, mp->socket_id, flags, align); diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h index 7c9cd9a2f..75553b36f 100644 --- a/lib/librte_mempool/rte_mempool.h +++ b/lib/librte_mempool/rte_mempool.h @@ -264,6 +264,7 @@ struct rte_mempool { #define MEMPOOL_F_POOL_CREATED 0x0010 /**< Internal: pool is created. */ #define MEMPOOL_F_NO_IOVA_CONTIG 0x0020 /**< Don't need IOVA contiguous objs. */ #define MEMPOOL_F_NO_PHYS_CONTIG MEMPOOL_F_NO_IOVA_CONTIG /* deprecated */ +#define MEMPOOL_F_PAGE_ALIGN 0x0040 /**< Chunk's base address is page aligned */ /** * @internal When debug is enabled, store some statistics.