For more information, please refer to :ref:`DPDK Getting Started Guide <linux_gsg>`.
-If I want to change the number of TLB Hugepages allocated, how do I remove the original pages allocated?
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+If I want to change the number of hugepages allocated, how do I remove the original pages allocated?
+----------------------------------------------------------------------------------------------------
The number of pages allocated can be seen by executing the following command::
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See the Primary and Secondary examples in the :ref:`multi-process sample application <multi_process_app>`.
+
+
+Why can't my application receive packets on my system with UEFI Secure Boot enabled?
+------------------------------------------------------------------------------------
+
+If UEFI secure boot is enabled, the Linux kernel may disallow the use of UIO on the system.
+Therefore, devices for use by DPDK should be bound to the ``vfio-pci`` kernel module rather than ``igb_uio`` or ``uio_pci_generic``.