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NAMEpmap_is_modified pmap_ts_modified - return information about physical pages
SYNOPSISIn sys/param.h In vm/vm.h In vm/pmap.h Ft boolean_t Fn pmap_is_modified vm_page_t m Ft int Fn pmap_ts_referenced vm_page_t m
DESCRIPTIONThe Fn pmap_is_modified and Fn pmap_ts_referenced functions return information about physical pages.
RETURN VALUESThe Fn pmap_is_modified function returns the status of the ``page modified'' bit for the physical page Fa m .
The Fn pmap_ts_referenced function returns a count of reference bits for a page Fa 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.