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Test Your Knowledge in Computers #762
Difficulty: Medium
The L2 cache, and higher-level caches, are never shared between the CPU cores.
True or False?
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mpt_host_page_alloc(9) [centos man page]

MPT_HOST_PAGE_ALLOC(9)					       Message-based devices					    MPT_HOST_PAGE_ALLOC(9)

NAME
mpt_host_page_alloc - allocate system memory for the fw SYNOPSIS
int mpt_host_page_alloc(MPT_ADAPTER * ioc, pIOCInit_t ioc_init); ARGUMENTS
ioc Pointer to pointer to IOC adapter ioc_init Pointer to ioc init config page DESCRIPTION
If we already allocated memory in past, then resend the same pointer. Returns 0 for success, non-zero for failure. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 MPT_HOST_PAGE_ALLOC(9)

Check Out this Related Man Page

ib(4)								   File Formats 							     ib(4)

NAME
ib - InfiniBand device driver configuration files DESCRIPTION
The InfiniBand (IB) bus is an I/O transport based on switched fabrics. IB devices are managed by the ib(7D) nexus driver. There are three categories of InfiniBand devices: o IB port/IB VPPA/IB HCA_SVC devices o IB IOC devices o IB Psuedo devices The IB port/IB VPPA/IB HCA_SVC devices are enumerated by way of the ib.conf file. See ib(7D). The IB IOC devices are enumerated using the InfiniBand Device management class. See ibdm(7D). For devices not in these two categories, most notably IB Psuedo devices, the driver must provide configuration files to inform the system of the IB devices to be created. Configuration parameters are represented in the form of name value pairs you can retrieve using the DDI property interfaces. See ddi_prop_op(9F) for details. Configuration files for IB device drivers must identify the parent driver explicitly as "ib," and must create a string array property called "unit-address" which is unique to this entry in the configuration file. Drivers name "ibport" and "ioc" are reserved by ib(7D) and should not be used. Each entry in the configuration file creates a prototype devinfo node. Each node is assigned a unit address which is determined by the value of the "unit-address" property. This property is only applicable to children of the IB parent and is required. See driver.conf(4) for further details on configuration file syntax. EXAMPLES
Example 1: Sample configuration file Here is a configuration file called ibgen.conf for an IB device driver that implements a generic IB driver. This file creates a node called "ibgen." # # Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # #ident "@(#)ibgen.conf 1.3 03/05/01 SMI" name="ibgen" parent="ib" unit-address="0"; SEE ALSO
driver.conf(4), ib(7D), ibtl(7D), ddi_prop_op(9F) SunOS 5.10 19 Feb 2004 ib(4)

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