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

  • BSD mandoc
     

    NAME

    
    
    vm_page_busy
    
     
    vm_page_flash
    
     
    vm_page_wakeup
    
     - handle the busying and unbusying of a page
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <vm/vm.h>
       #include <vm/vm_page.h>
    void vm_page_busy (vm_page_t m);
    void vm_page_flash (vm_page_t m);
    void vm_page_wakeup (vm_page_t m);
     

    DESCRIPTION

    These functions handle the busying, unbusying and notification of the unbusying of a page.

    vm_page_busy ();
    sets the PG_BUSY flag in the page.

    vm_page_flash ();
    checks to see if there is anybody waiting on the page ( PG_WANTED will be set), and if so, clears the PG_WANTED flag and notifies whoever is waiting via wakeup (.);

    vm_page_wakeup ();
    clears the PG_BUSY flag on the page, and calls vm_page_flash ();
    in case somebody has been waiting for it.  

    SEE ALSO

    vm_page_sleep_busy9, wakeup(9)  

    AUTHORS

    This manual page was written by An Chad David Aq [email protected] .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    AUTHORS


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