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pmap_zero_area(9)

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

NAME
     pmap_zero_page, pmap_zero_area, — zero-fill a page using machine-depen‐
     dent 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 sup‐
     ported by FreeBSD.

SEE ALSO
     bzero(3), pmap(9)

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

BSD                             August 30, 2016                            BSD
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