PMAP_ZERO(9) FreeBSD Kernel Developer's Manual PMAP_ZERO(9)
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
The pmap_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
bzero(3), pmap(9)
AUTHORS
This manual page was written by Bruce M Simpson <
[email protected]>.
FreeBSD 14.1-RELEASE-p8 August 30, 2016 FreeBSD 14.1-RELEASE-p8