In article
<1328193710.334702.1449669857042.javamail.ngm...@webmail09.arcor-online.net>,
Carsten Kunze <[email protected]> wrote:
>[email protected] (Christos Zoulas) wrote:
>
>> How often should it be updated?
>
>Only once on munmap? If it is updated at an unpredictable time it makes
>something like utime(2) senseless (since it is changed anyway). Always
>use msync is a performance issue for e.g. "cp -p ..." (so I think cp(1)
>doesn't use mmap for copying).
>
>If the current behaviour is 4.4BSD derived it is ok, but if it's "only"
>NetBSD specific it is maybe not optimal.
Someone with uvm knowledge is better suited to answer this... perhaps
uvn_detach should update {m,a}times?
christos
