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

  • BSD mandoc
     

    NAME

    
    
    pmap_zero_page
    
     
    pmap_zero_area
    
     
    pmap_zero_idle
    
     - zero-fill a page using machine-dependent optimizations
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <vm/vm.h>
       #include <vm/pmap.h>
    void pmap_zero_page (vm_page_t m);
    void pmap_zero_page_area (vm_page_t m int off int size);
    void pmap_zero_page_idle (vm_page_t m);
     

    DESCRIPTION

    The pmap_zero_page ();
    function zero-fills an entire page using machine-dependent optimizations. The pmap_zero_page_area ();
    function is used to zero-fill an area of a page. The range specified must not cross a page boundary; it must be contained entirely within a single page.

    The pmap_zero_page_idle ();
    interface is used by the vm_pagezero process. The system-wide Giant lock should not be required to be held in order to call this interface.  

    IMPLEMENTATION NOTES

    This function is required to be implemented for each architecture supported by Fx .  

    SEE ALSO

    bzero(3), pmap(9)  

    AUTHORS

    This manual page was written by An Bruce M Simpson Aq bms@spc.org .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    IMPLEMENTATION NOTES
    SEE ALSO
    AUTHORS


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