pmap_remove(9) [debian man page]

PMAP_REMOVE(9)						   BSD Kernel Developer's Manual					    PMAP_REMOVE(9)

NAME

     pmap_remove, pmap_remove_all, pmap_remove_pages -- remove pages from a physical map

SYNOPSIS

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

     void
     pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t eva);

     void
     pmap_remove_all(vm_page_t m);

     void
     pmap_remove_pages(pmap_t pmap);

DESCRIPTION

     The pmap_remove() function removes the range of addresses between sva and eva from the physical map pmap.	If eva is less than sva, then the
     result is undefined.  It is assumed that both sva and eva are page-aligned addresses.

     The pmap_remove_all() removes the physical page m from all physical maps in which it resides, and reflects back the modify bits to the appro-
     priate pager.

     The pmap_remove_pages() function removes all user pages from the physical map pmap.  This function is called when a process exits to run down
     its address space more quickly than would be the case for calling pmap_remove().

SEE ALSO

     pmap(9)

AUTHORS

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

BSD
								   July 21, 2003							       BSD

PMAP(9) 						   BSD Kernel Developer's Manual						   PMAP(9)

NAME

     pmap -- machine-dependent portion of virtual memory subsystem

SYNOPSIS

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

DESCRIPTION

     The pmap module is the machine-dependent portion of the FreeBSD VM (Virtual Memory) sub-system.  Each function documented herein must have
     its own architecture-dependent implementation.

     The pmap module is responsible for managing hardware-dependent objects such as page tables, address maps, TLBs, etc.

     Machine-dependent code must provide the header file <machine/pmap.h>.  This file contains the definition of the pmap structure:

	   struct pmap {
		   /* Contents defined by pmap implementation. */
	   };
	   typedef struct pmap *pmap_t;

     This header file may also define other data structures used by the pmap implementation.

     The header file <vm/pmap.h> defines a structure for tracking pmap statistics (see below).	This structure is defined as:

	   struct pmap_statistics {
		   long        resident_count; /* number of mapped pages */
		   long        wired_count;    /* number of wired pages */
	   };

     The implementation's struct pmap must contain an instance of this structure having the name pm_stats, and it must be updated by the implemen-
     tation after each relevant pmap operation.

SEE ALSO

     pmap(9), pmap_activate(9), pmap_clear_modify(9), pmap_copy(9), pmap_copy_page(9), pmap_enter(9), pmap_extract(9), pmap_extract_and_hold(9),
     pmap_growkernel(9), pmap_init(9), pmap_init2(9), pmap_is_modified(9), pmap_is_prefaultable(9), pmap_map(9), pmap_mincore(9),
     pmap_object_init_pt(9), pmap_page_exists_quick(9), pmap_page_init(9), pmap_pinit(9), pmap_pinit0(9), pmap_pinit2(9), pmap_protect(9),
     pmap_qenter(9), pmap_qremove(9), pmap_release(9), pmap_remove(9), pmap_remove_all(9), pmap_remove_pages(9), pmap_resident_count(9),
     pmap_ts_referenced(9), pmap_unwire(9), pmap_wired_count(9), pmap_zero_area(9), pmap_zero_idle(9), pmap_zero_page(9), vm_map(9)

AUTHORS

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

BSD
								  August 3, 2014							       BSD