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

  • BSD mandoc
     

    NAME

    
    
    pmap_object_init_pt
    
     - initialize page tables for a VM object
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <vm/vm.h>
       #include <vm/pmap.h>
    void Fo pmap_object_init_pt Fa pmap_t pmap vm_offset_t addr vm_object_t object Fa vm_pindex_t pindex vm_size_t size int limit Fc  

    DESCRIPTION

    The pmap_object_init_pt ();
    function preloads the page table entries into the specified physical map Fa pmap , for the given Fa object at the virtual address Fa addr , for Fa size bytes, beginning at the page index Fa pindex within the object. The map bits Fa limit are heeded when creating the mapping.  

    IMPLEMENTATION NOTES

    This function is not strictly required by an architecture's pmap(9) implementation, but it does provide performance benefits if implemented.

    It is intended to eliminate the blast of soft faults on process startup, and immediately following a call to mmap(2).  

    SEE ALSO

    pmap(9), vm_map9  

    AUTHORS

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


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    IMPLEMENTATION NOTES
    SEE ALSO
    AUTHORS


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