1/*
2 * Copyright (c) 1990 University of Utah.
3 * Copyright (c) 1991 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
8 * Science Department.
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * from: @(#)swap_pager.h 7.1 (Berkeley) 12/5/90
39 * $FreeBSD: head/sys/vm/swap_pager.h 92029 2002-03-10 21:52:48Z eivind $
40 */
41
42/*
43 * Modifications to the block allocation data structure by John S. Dyson
44 * 18 Dec 93.
45 */
46
47#ifndef _SWAP_PAGER_
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79};
80
81#ifdef _KERNEL
82extern struct pagerlst swap_pager_un_object_list;
83extern int swap_pager_full;
84extern struct blist *swapblist;
85extern vm_zone_t swap_zone;
86
87void swap_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
88boolean_t swap_pager_haspage __P((vm_object_t object, vm_pindex_t pindex, int *before, int *after));
89
90int swap_pager_swp_alloc __P((vm_object_t, int));
91void swap_pager_copy __P((vm_object_t, vm_object_t, vm_pindex_t, int));
92void swap_pager_freespace __P((vm_object_t, vm_pindex_t, vm_size_t));
93void swap_pager_dmzspace __P((vm_object_t, vm_pindex_t, vm_size_t));
94void swap_pager_swap_init __P((void));
95int swap_pager_reserve __P((vm_object_t, vm_pindex_t, vm_size_t));
96
97/*
98 * newswap functions
99 */
100
101void swap_pager_page_removed __P((vm_page_t, vm_object_t));
102
103/* choose underlying swap device and queue up I/O */
104struct buf;
105void swstrategy __P((struct buf *bp)); /* probably needs to move elsewhere */
106
107#endif /* _KERNEL */
108#endif /* _SWAP_PAGER_ */
2 * Copyright (c) 1990 University of Utah.
3 * Copyright (c) 1991 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
8 * Science Department.
--- 22 unchanged lines hidden (view full) ---
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * from: @(#)swap_pager.h 7.1 (Berkeley) 12/5/90
39 * $FreeBSD: head/sys/vm/swap_pager.h 92029 2002-03-10 21:52:48Z eivind $
40 */
41
42/*
43 * Modifications to the block allocation data structure by John S. Dyson
44 * 18 Dec 93.
45 */
46
47#ifndef _SWAP_PAGER_
--- 31 unchanged lines hidden (view full) ---
79};
80
81#ifdef _KERNEL
82extern struct pagerlst swap_pager_un_object_list;
83extern int swap_pager_full;
84extern struct blist *swapblist;
85extern vm_zone_t swap_zone;
86
87void swap_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
88boolean_t swap_pager_haspage __P((vm_object_t object, vm_pindex_t pindex, int *before, int *after));
89
90int swap_pager_swp_alloc __P((vm_object_t, int));
91void swap_pager_copy __P((vm_object_t, vm_object_t, vm_pindex_t, int));
92void swap_pager_freespace __P((vm_object_t, vm_pindex_t, vm_size_t));
93void swap_pager_dmzspace __P((vm_object_t, vm_pindex_t, vm_size_t));
94void swap_pager_swap_init __P((void));
95int swap_pager_reserve __P((vm_object_t, vm_pindex_t, vm_size_t));
96
97/*
98 * newswap functions
99 */
100
101void swap_pager_page_removed __P((vm_page_t, vm_object_t));
102
103/* choose underlying swap device and queue up I/O */
104struct buf;
105void swstrategy __P((struct buf *bp)); /* probably needs to move elsewhere */
106
107#endif /* _KERNEL */
108#endif /* _SWAP_PAGER_ */