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[2a01:cb0c:5:a600:226:b0ff:feed:2fc]) by smtp.gmail.com with ESMTPSA id c8sm161054wml.44.2019.10.30.07.29.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Oct 2019 07:29:39 -0700 (PDT) Date: Wed, 30 Oct 2019 15:29:38 +0100 From: Olivier Matz To: Andrew Rybchenko Cc: dev@dpdk.org, Anatoly Burakov , Ferruh Yigit , "Giridharan, Ganesan" , Jerin Jacob Kollanukkaran , Kiran Kumar Kokkilagadda , Stephen Hemminger , Thomas Monjalon , Vamsi Krishna Attunuru Message-ID: <20191030142938.bpi4txlrebqfq7uw@platinum> References: <20190719133845.32432-1-olivier.matz@6wind.com> <20191028140122.9592-1-olivier.matz@6wind.com> <20191028140122.9592-5-olivier.matz@6wind.com> <67618332-fac8-eac1-ea66-24ed8a4b5c93@solarflare.com> <20191029172047.lzxzkreoucvagtdy@platinum> <20191030083208.2gbllj333t64bkjr@platinum> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191030083208.2gbllj333t64bkjr@platinum> User-Agent: NeoMutt/20180716 Subject: Re: [dpdk-dev] [PATCH 4/5] mempool: introduce function to get mempool page size 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" On Wed, Oct 30, 2019 at 09:32:08AM +0100, Olivier Matz wrote: > On Tue, Oct 29, 2019 at 06:20:47PM +0100, Olivier Matz wrote: > > On Tue, Oct 29, 2019 at 01:31:22PM +0300, Andrew Rybchenko wrote: > > > On 10/28/19 5:01 PM, Olivier Matz wrote: > > > > In rte_mempool_populate_default(), we determine the page size, > > > > which is needed for calc_size and allocation of memory. > > > > > > > > Move this in a function and export it, it will be used in next > > > > commit. > > > > > > > > Signed-off-by: Olivier Matz > > > > > > One question below: > > > Reviewed-by: Andrew Rybchenko > > > > > > [snip] > > > > > > > diff --git a/lib/librte_mempool/rte_mempool_version.map b/lib/librte_mempool/rte_mempool_version.map > > > > index 17cbca460..4eff2767d 100644 > > > > --- a/lib/librte_mempool/rte_mempool_version.map > > > > +++ b/lib/librte_mempool/rte_mempool_version.map > > > > @@ -56,5 +56,6 @@ DPDK_18.05 { > > > > EXPERIMENTAL { > > > > global: > > > > + rte_mempool_get_page_size; > > > > rte_mempool_ops_get_info; > > > > }; > > > > > > Should internal function be here? > > > > > > > Good question. Let me ask a friend ;) > > I was influenced by a warning saying "rte_mempool_get_page_size is > flagged as experimental but is not listed in version map", but actually > it should not be flagged as experimental. I'll remove both. > > My friend also suggested me to add it in a private header, which is a > good idea, but I think it should be in another patch because there are > already several functions in this case. Finally, I had to keep it in the API, because the octeontx2 driver will need it. I also kept the @internal tag in the comment, because I think this function should only be used in mempool drivers.