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pmap_change_wiring (9)
  • >> pmap_change_wiring (9) ( FreeBSD man: Ядро )

  • BSD mandoc
     

    NAME

    
    
    pmap_change_wiring
    
     - change physical wiring for a map or virtual address pair
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <vm/vm.h>
       #include <vm/pmap.h>
    void pmap_change_wiring (pmap_t pmap vm_offset_t va boolean_t wired);
     

    DESCRIPTION

    The pmap_change_wiring ();
    function changes the wiring attribute for the page at virtual address Fa va in the physical map Fa pmap . A wired page gets its name from being ``wired'' into the system page tables so that it will not be paged out.

    The mapping must already exist in the Fa pmap . If Fa wired is TRUE the map's wired page count will be incremented; if FALSE it will be decremented.

    It is typically called by the vm_fault_unwire ();
    function.  

    SEE ALSO

    pmap(9)  

    AUTHORS

    This manual page was written by An Bruce M Simpson Aq [email protected] .


     

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