From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh Subject: Re: [PATCH v5 7/8] mempool: introduce block size align flag Date: Thu, 7 Sep 2017 13:57:57 +0530 Message-ID: <772eb46d-77ed-918f-7b9e-6fbd2d804b2c@caviumnetworks.com> References: <20170815060743.21076-1-santosh.shukla@caviumnetworks.com> <20170906112834.32378-1-santosh.shukla@caviumnetworks.com> <20170906112834.32378-8-santosh.shukla@caviumnetworks.com> <20170907081349.nznr2qv6f5pgs3ti@neon> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org, thomas@monjalon.net, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com To: Olivier MATZ Return-path: Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0055.outbound.protection.outlook.com [104.47.42.55]) by dpdk.org (Postfix) with ESMTP id 0C0BD374E for ; Thu, 7 Sep 2017 10:28:16 +0200 (CEST) In-Reply-To: <20170907081349.nznr2qv6f5pgs3ti@neon> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Thursday 07 September 2017 01:43 PM, Olivier MATZ wrote: > On Wed, Sep 06, 2017 at 04:58:33PM +0530, Santosh Shukla wrote: >> --- a/lib/librte_mempool/rte_mempool.h >> +++ b/lib/librte_mempool/rte_mempool.h >> @@ -271,6 +271,10 @@ struct rte_mempool { >> * Note: This flag should not be passed by application. >> */ >> #define MEMPOOL_F_CAPA_PHYS_CONTIG 0x0040 >> +/** >> + * Align object start address to total elem size >> + */ >> +#define MEMPOOL_F_BLK_ALIGNED_OBJECTS 0x0080 > Same than with the other flag: since the meaning of this flag is not obvious > when we read the name, it has to be clearly described. > - say that it's virtual address > - say that it implies MEMPOOL_F_CAPA_PHYS_CONTIG > - say that it can be advertised by a driver and the application should > not pass it > > And, since it shall not be passed by an application, I suggest to add > _CAPA too (i.e. MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS). > Ok, I will elaborate on FLAG description in v6, and Rename to MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS. Can you please suggest are you ok with checking MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS | _PHYS_CONTIG in _xmem_size()/_usage(), asked in v4 [1] for same patch. [1] http://dpdk.org/dev/patchwork/patch/27600/