equal
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50 file system</xref> </p> </li> |
50 file system</xref> </p> </li> |
51 <li id="GUID-B511A99E-187F-5962-A0E8-2783B53834C7"><p>For writable data paging, |
51 <li id="GUID-B511A99E-187F-5962-A0E8-2783B53834C7"><p>For writable data paging, |
52 it is the writable data stored in RAM, for example user stacks and heaps. |
52 it is the writable data stored in RAM, for example user stacks and heaps. |
53 In this case, the data is moved to a backing store. </p> </li> |
53 In this case, the data is moved to a backing store. </p> </li> |
54 </ul> <fig id="GUID-FDD6829A-DAF9-5752-9C3F-2338625054FA"> |
54 </ul> <fig id="GUID-FDD6829A-DAF9-5752-9C3F-2338625054FA"> |
55 <image href="GUID-3FE9C184-1880-51E1-B045-3C2EA4BE204A_d0e310011_href.png" placement="inline"/> |
55 <image href="GUID-3FE9C184-1880-51E1-B045-3C2EA4BE204A_d0e316002_href.png" placement="inline"/> |
56 </fig> <p>The diagram above shows the basic operations involved in demand |
56 </fig> <p>The diagram above shows the basic operations involved in demand |
57 paging: </p> <ol id="GUID-598BA3E8-7BB9-585D-913B-5453D8500CBF"> |
57 paging: </p> <ol id="GUID-598BA3E8-7BB9-585D-913B-5453D8500CBF"> |
58 <li id="GUID-E65CC155-049D-5351-9A01-5FCDA3263FAB"><p>The processor wants |
58 <li id="GUID-E65CC155-049D-5351-9A01-5FCDA3263FAB"><p>The processor wants |
59 to access content which is not available in the working RAM, causing a 'paging |
59 to access content which is not available in the working RAM, causing a 'paging |
60 fault'. </p> </li> |
60 fault'. </p> </li> |