vm_map_create(9)
create a new vm_map structure
SYNOPSIS
In sys/param.h
In vm/vm.h
In vm/vm_map.h
Ft vm_map_t
Fn vm_map_create pmap_t pmap vm_offset_t min vm_offset_t max
DESCRIPTION
The
Fn vm_map_create
function creates and returns a new, empty map structure, associated
with the physical map
Fa pmap ,
and with the
upper and lower address bounds specified by
Fa max
and
Fa min
respectively.
IMPLEMENTATION NOTES
The kernel's zone allocator is used to allocate the map.
RETURN VALUES
The
Fn vm_map_create
function returns a pointer to the newly allocated map if successful.
Otherwise, it returns
NULL
