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Make the manual page consistent and add a cross-reference to wakeup(9).

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hmp 2004-05-05 10:01:06 +00:00
parent f44620a5c4
commit b13085958e
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10
share/man/man9/vm_page_io.9
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@ -44,17 +44,19 @@
.Sh DESCRIPTION .Sh DESCRIPTION
The The
.Fn vm_page_io_start .Fn vm_page_io_start
function prepares the page for I/O by incrementing its busy flag by 1. function prepares the page for I/O by incrementing its busy flag by one.
.Pp .Pp
The The
.Fn vm_page_io_finish .Fn vm_page_io_finish
function lowers the busy count on the page by one, if the resulting busy function lowers the busy count on the page by one, if the resulting busy
count is zero, a wakeup will be issued if the page has been marked count is zero, a
.Xr wakeup 9
will be issued if the page has been marked
.Dv PG_WANTED . .Dv PG_WANTED .
A page is typically marked A page is typically marked
.Dv PG_WANTED .Dv PG_WANTED
by a thread to register interested in by a thread to register its interest in
the page either completing I/O or becoming available for general use. the page to either complete I/O or becoming available for general use.
.Sh AUTHORS .Sh AUTHORS
.An -nosplit .An -nosplit
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