pmap_protect (9)

Leading comments

Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
All rights reserved.

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1. Redistributions of source code must retain the above copyright
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(The comments found at the beginning of the groff file "man9/pmap_protect.9freebsd".)

NAME

pmap_page_protect pmap_protect - set physical page protection

SYNOPSIS

In sys/param.h In vm/vm.h In vm/pmap.h Ft void Fn pmap_page_protect vm_page_t m vm_prot_t prot Ft void Fo pmap_protect Fa pmap_t pmap vm_offset_t sva vm_offset_t eva vm_prot_t pr Fc

DESCRIPTION

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

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

SEE ALSO

pmap(9)

AUTHORS

This manual page was written by An Bruce M Simpson Aq bms@spc.org .