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pmap_zero_page, pmap_zero_area, — zero-fill a page using machine-dependent optimizations

Authors

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

Debian                                           August 30, 2016                                    PMAP_ZERO(9)

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.

Name

       pmap_zero_page, pmap_zero_area, — zero-fill a page using machine-dependent optimizations

See Also

bzero(3), pmap(9)

Synopsis

#include<sys/param.h>#include<vm/vm.h>#include<vm/pmap.h>voidpmap_zero_page(vm_page_tm);

       voidpmap_zero_page_area(vm_page_tm, intoff, intsize);

See Also