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From: Olivier MATZ <olivier.matz@6wind.com>
To: "Wiles, Keith" <keith.wiles@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "thomas.monjalon@6wind.com" <thomas.monjalon@6wind.com>,
	 "pmatilai@redhat.com" <pmatilai@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v5] mempool: reduce rte_mempool structure size
Date: Thu, 14 Apr 2016 15:43:41 +0200	[thread overview]
Message-ID: <570F9E8D.5020800@6wind.com> (raw)
In-Reply-To: <A8FCCECD-1359-4D05-A147-0C6B9562EF67@intel.com>

Hi,

On 04/14/2016 03:28 PM, Wiles, Keith wrote:
>> From: Keith Wiles <keith.wiles@intel.com>
>> --- a/app/test/test_mempool.c
>> +++ b/app/test/test_mempool.c
>> @@ -122,8 +122,8 @@ test_mempool_basic(void)
>> 		return -1;
>>
>> 	printf("get private data\n");
>> -	if (rte_mempool_get_priv(mp) !=
>> -			(char*) mp + MEMPOOL_HEADER_SIZE(mp, mp->pg_num))
>> +	if (rte_mempool_get_priv(mp) != (char *)mp +
>> +			MEMPOOL_HEADER_SIZE(mp, mp->pg_num, mp->cache_size))
>
> Should we not add the RTE_PTR_ADD() here as well?

The displayed error message was "cast increases required alignment
of target type", and in this case the alignment constraint of mp
is higher than the constraint for char * (1). So I think there is
no issue here... at least I can say it compiles without error.

Regards,
Olivier

  reply	other threads:[~2016-04-14 13:43 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-02 23:02 [dpdk-dev] [PATCH] mempool: Reduce " Keith Wiles
2016-02-03 17:11 ` Ananyev, Konstantin
2016-02-08 11:02 ` Olivier MATZ
2016-02-08 15:57   ` Wiles, Keith
2016-02-09 17:30 ` [dpdk-dev] [PATCH v2] mempool: reduce " Keith Wiles
2016-02-10 16:59   ` Olivier MATZ
2016-02-10 17:22     ` Wiles, Keith
2016-02-10 18:35     ` Wiles, Keith
2016-02-10 20:06       ` Olivier MATZ
2016-02-10 21:18   ` [dpdk-dev] [PATCH v3] " Keith Wiles
2016-02-12 11:23     ` Panu Matilainen
2016-02-12 13:57       ` Thomas Monjalon
2016-02-12 14:19         ` Panu Matilainen
2016-02-12 15:07           ` Wiles, Keith
2016-02-12 15:38             ` Thomas Monjalon
2016-02-12 15:50               ` Olivier MATZ
2016-02-12 15:58                 ` Wiles, Keith
2016-02-15  9:58                 ` Hunt, David
2016-02-15 10:15                   ` Olivier MATZ
2016-02-15 10:21                     ` Hunt, David
2016-02-15 12:31                       ` Olivier MATZ
2016-02-12 15:54               ` Wiles, Keith
2016-02-12 18:36   ` [dpdk-dev] [PATCH v4] " Keith Wiles
2016-02-15  9:20     ` Olivier MATZ
2016-04-14  9:42     ` [dpdk-dev] [PATCH v5] " Olivier Matz
2016-04-14 13:28       ` Wiles, Keith
2016-04-14 13:43         ` Olivier MATZ [this message]
2016-04-14 13:53       ` Wiles, Keith
2016-05-17  5:31       ` Thomas Monjalon

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