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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB3504.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a6ecfb87-a2ee-424f-fcb6-08da9c9b9359 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Sep 2022 13:08:43.2202 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: e4NIRUptuZ/G7oqd6Fde/pqqZC6FsS9rsu2TN3kswwkMVsS9Z+c8bUpWORkY1pAJSUHvzvuGYYitDADrW+POmA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR11MB7021 X-OriginatorOrg: intel.com X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: David Marchand > Sent: Friday, September 16, 2022 5:02 PM > To: dev@dpdk.org > Cc: Maxime Coquelin ; Xia, Chenbo > > Subject: [PATCH] vhost: reduce memory footprint when IOMMU is disabled >=20 > If an application does not request IOMMU support, we can avoid > allocating a IOMMU pool. >=20 > This saves 112kB (IOTLB_CACHE_SIZE * sizeof(struct vhost_iotlb_entry)) > per vq. >=20 > Signed-off-by: David Marchand > --- > lib/vhost/iotlb.c | 20 +++++++++++--------- > lib/vhost/socket.c | 4 +++- > lib/vhost/vhost.c | 7 ++++++- > lib/vhost/vhost.h | 5 ++++- > 4 files changed, 24 insertions(+), 12 deletions(-) The compilation issue seems not related to this patch. Reviewed-by: Chenbo Xia