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-.\"
-.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice(s), this list of conditions and the following disclaimer as
-.\" the first lines of this file unmodified other than the possible
-.\" addition of one or more copyright notices.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice(s), this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
-.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-.\" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
-.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
-.\" DAMAGE.
-.\"
-.\" $FreeBSD$
-.\"
-.Dd July 13, 2001
-.Dt VM_PAGE_SLEEP_IF_BUSY 9
-.Os
-.Sh NAME
-.Nm vm_page_sleep_if_busy
-.Nd "wait for a busy page to become unbusy"
-.Sh SYNOPSIS
-.In sys/param.h
-.In vm/vm.h
-.In vm/vm_page.h
-.Ft int
-.Fn vm_page_sleep_if_busy "vm_page_t m" "int also_m_busy" "const char *wmesg"
-.Sh DESCRIPTION
-The
-.Fn vm_page_sleep_if_busy
-function waits until the
-.Dv VPO_BUSY
-flag is cleared.
-If
-.Fa also_m_busy
-is non-zero, it also waits for
-.Fa m->busy
-to become zero.
-.Sh RETURN VALUES
-If
-.Fn vm_page_sleep_if_busy
-finds the page busy it returns
-.Dv TRUE .
-If not, it returns
-.Dv FALSE .
-Returning
-.Dv TRUE
-does not necessary mean that
-.Fn vm_page_sleep_if_busy
-slept, but only that
-.Fn splvm
-was called.
-.Sh AUTHORS
-This manual page was written by
-.An Chad David Aq davidc@acns.ab.ca .
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