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

  • BSD mandoc
     

    NAME

    
    
    vm_page_grab
    
     - returns a page from an object
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <vm/vm.h>
       #include <vm/vm_page.h>
    vm_page_t vm_page_grab (vm_object_t object vm_pindex_t pindex int allocflags);
     

    DESCRIPTION

    The vm_page_grab ();
    function returns the page at Fa pindex from the given object. If the page exists and is busy, vm_page_grab ();
    will sleep while waiting for it. If the page does not exist, it is allocated.

    If VM_ALLOC_RETRY is not set in Fa allocflags and the function sleeps, either getting the page from the object or while allocating it, NULL is returned.  

    RETURN VALUES

    If successful, vm_page_grab ();
    returns the page; otherwise, NULL is returned.  

    SEE ALSO

    vm_page_alloc9  

    AUTHORS

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


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    SEE ALSO
    AUTHORS


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