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Man Pages


Manual Reference Pages  -  PMAP_IS_MODIFIED (9)

NAME

pmap_is_modified, pmap_ts_modified - return information about physical pages

CONTENTS

Synopsis
Description
Return Values
See Also
Authors

SYNOPSIS


.In sys/param.h
.In vm/vm.h
.In vm/pmap.h boolean_t pmap_is_modified vm_page_t m int pmap_ts_referenced vm_page_t m

DESCRIPTION

The pmap_is_modified and pmap_ts_referenced functions return information about physical pages.

RETURN VALUES

The pmap_is_modified function returns the status of the "page modified" bit for the physical page m.

The pmap_ts_referenced function returns a count of reference bits for a page m, clearing those bits. It is not necessary for every reference bit to be cleared, but it is necessary that 0 only be returned when there are no remaining reference bits set on the page.

SEE ALSO

pmap(9), pmap_clear_modify(9), pmap_clear_reference(9)

AUTHORS

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