Manpages

PMAP_ZERO(9) BSD 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 <bms [AT] spc.org>.

BSD August 30, 2016 BSD

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