NAME
pmap_zero_page,
pmap_zero_area, —
zero-fill a page using
machine-dependent optimizations
SYNOPSIS
#include
<sys/param.h>
#include <vm/vm.h>
#include <vm/pmap.h>
void
pmap_zero_page(vm_page_t
m);
void
pmap_zero_page_area(vm_page_t
m, int off,
int size);
DESCRIPTION
Thepmap_zero_page()
function zero-fills an entire page using machine-dependent optimizations. The
pmap_zero_page_area()
function is used to zero-fill an area of a page. The range specified must not
cross a page boundary; it must be contained entirely within a single page.
IMPLEMENTATION NOTES
This function is required to be implemented for each architecture supported by FreeBSD.
SEE ALSO
AUTHORS
This manual page was written by Bruce M Simpson <bms@spc.org>.