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pmap (9)
  • pmap (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • pmap (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  • >> pmap (9) ( FreeBSD man: Ядро )

  • BSD mandoc
     

    NAME

    
    
    pmap
    
     - machine-dependent portion of virtual memory subsystem
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <vm/vm.h>
       #include <vm/pmap.h>
     

    DESCRIPTION

    The module is the machine-dependent portion of the Fx VM (Virtual Memory) sub-system. Each function documented herein must have its own architecture-dependent implementation.

    The module is responsible for managing hardware-dependent objects such as page tables, address maps, TLBs, etc.

    Machine-dependent code must provide the header file In machine/pmap.h . This file contains the definition of the Vt pmap structure:

    struct pmap {
            /* Contents defined by pmap implementation. */
    };
    typedef struct pmap *pmap_t;
    

    This header file may also define other data structures used by the implementation.

    The header file    #include <vm/pmap.h>
    defines a structure for tracking statistics (see below). This structure is defined as:

    struct pmap_statistics {
            long        resident_count; /* number of mapped pages */
            long        wired_count;    /* number of wired pages */
    };
    

    The implementation's Vt struct pmap must contain an instance of this structure having the name pm_stats and it must be updated by the implementation after each relevant operation.  

    SEE ALSO

    pmap(9), pmap_activate9, pmap_addr_hint9, pmap_change_wiring9, pmap_clear_modify9, pmap_clear_reference9, pmap_copy9, pmap_copy_page9, pmap_enter9, pmap_extract9, pmap_extract_and_hold9, pmap_growkernel9, pmap_init9, pmap_init29, pmap_is_modified9, pmap_is_prefaultable9, pmap_map9, pmap_mincore9, pmap_object_init_pt9, pmap_page_exists_quick9, pmap_page_init9, pmap_page_protect9, pmap_pinit9, pmap_pinit09, pmap_pinit29, pmap_protect9, pmap_qenter9, pmap_qremove9, pmap_release9, pmap_remove9, pmap_remove_all9, pmap_remove_pages9, pmap_resident_count9, pmap_ts_modified9, pmap_wired_count9, pmap_zero_area9, pmap_zero_idle9, pmap_zero_page9, vm_map9  

    AUTHORS

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


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    AUTHORS


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