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PMAP_PROTECT(9)

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NAME    [Toc]    [Back]

     pmap_page_protect, pmap_protect -- set physical page protection

SYNOPSIS    [Toc]    [Back]

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

     void
     pmap_page_protect(vm_page_t m, vm_prot_t prot);

     void
     pmap_protect(pmap_t pmap, vm_offset_t sva, vm_offset_t eva,
	 vm_prot_t pr);

DESCRIPTION    [Toc]    [Back]

     The pmap_page_protect() function lowers the physical page permissions to
     prot for all mappings of a given page m.

     The pmap_protect() function sets the physical page permissions to prot
     for all physical pages in the physical map pmap in the virtual address
     range between sva and eva.

SEE ALSO    [Toc]    [Back]

      
      
     pmap(9)

AUTHORS    [Toc]    [Back]

     This manual page was written by Bruce M Simpson <bms@spc.org>.


				 July 21, 2003
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