2 .\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
3 .\" All rights reserved.
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34 .Nd copy physical memory pages
41 .Fa "pmap_t dst_pmap" "pmap_t src_pmap" "vm_offset_t dst_addr"
42 .Fa "vm_size_t len" "vm_offset_t src_addr"
45 .Fn pmap_copy_page "vm_page_t src" "vm_page_t dst"
49 function copies the range specified by
53 from the source physical map
55 to the destination physical map
63 copies the physical page
67 by mapping the page into kernel virtual address space (KVA), and using
70 .Sh IMPLEMENTATION NOTES
73 routine is only advisory and need not do anything.
74 Actually implementing it may seriously reduce system performance.
78 routine only operates upon a single page.
83 This manual page was written by
84 .An Bruce M Simpson Aq Mt bms@spc.org .