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        "id": 348,
        "web_url": "",
        "msgid": "<>",
        "list_archive_url": "",
        "date": "2014-08-12T08:27:36",
        "subject": "Re: [dpdk-dev] [RFC PATCH 02/14] mbuf: remove rte_ctrlmbuf",
        "submitter": {
            "id": 8,
            "url": "",
            "name": "Olivier Matz",
            "email": ""
        "content": "Hi Bruce,\n\nOn 08/11/2014 10:44 PM, Bruce Richardson wrote:\n> From: Olivier Matz <>\n>\n> The initial role of rte_ctrlmbuf is to carry generic messages (data\n> pointer + data length) but it's not used by the DPDK or it applications.\n> Keeping it implies:\n>    - loosing 1 byte in the rte_mbuf structure\n>    - having some dead code rte_mbuf.[ch]\n>\n> This patch removes this feature. Thanks to it, it is now possible to\n> simplify the rte_mbuf structure by merging the rte_pktmbuf structure\n> in it. This is done in next commit.\n>\n> Signed-off-by: Olivier Matz <>\n>\n> Conflicts:\n> \tlib/librte_pmd_vmxnet3/vmxnet3_rxtx.c\n>\n> Signed-off-by: Bruce Richardson <>\n\nSame here, \"git grep ctrlmbuf\" finds results in\nexamples/ip_pipeline/cmdline.c and examples/ip_pipeline/init.c\n\nYou can also see it by doing\n\"make examples T=x86_64-native-linuxapp-gcc\" from dpdk root.\n\n\n> @@ -204,14 +182,10 @@ struct rte_mbuf {\n>   #else\n>   \tuint16_t refcnt_reserved;     /**< Do not use this field */\n>   #endif\n> -\tuint8_t type;                 /**< Type of mbuf. */\n> -\tuint8_t reserved;             /**< Unused field. Required for padding. */\n> +\tuint16_t reserved;             /**< Unused field. Required for padding. */\n\nThis line breaks the alignment of comments (this typo was already\npresent in my initial patch). By the way, there was also a patch\ncalled \"mbuf: cosmetic changes in rte_mbuf structure\" to restore\nthe comments alignment for all the fields of the structure. Maybe\nit should be integrated in your series.\n\nRegards,\nOlivier",
        "headers": {
            "Subject": "Re: [dpdk-dev] [RFC PATCH 02/14] mbuf: remove rte_ctrlmbuf",
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            "From": "Olivier MATZ <>",
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            "Date": "Tue, 12 Aug 2014 10:27:36 +0200",
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            "To": "Bruce Richardson <>,",
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