swap_pager.h (1c7c3c6a869e5eb64a19fda327dbe9f37af584b2) swap_pager.h (e4542174b02a9ad9a5c3e802f97df69a3ee781c1)
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
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.

--- 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 * $Id: swap_pager.h,v 1.22 1998/07/10 21:50:17 alex Exp $
39 * $Id: swap_pager.h,v 1.23 1999/01/21 08:29:10 dillon Exp $
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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83 daddr_t swb_pages[SWAP_META_PAGES];
84};
85
86#ifdef KERNEL
87extern struct pagerlst swap_pager_un_object_list;
88extern int swap_pager_full;
89extern struct blist *swapblist;
90
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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83 daddr_t swb_pages[SWAP_META_PAGES];
84};
85
86#ifdef KERNEL
87extern struct pagerlst swap_pager_un_object_list;
88extern int swap_pager_full;
89extern struct blist *swapblist;
90
91int swap_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
91void swap_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
92boolean_t swap_pager_haspage __P((vm_object_t object, vm_pindex_t pindex, int *before, int *after));
93
94int swap_pager_swp_alloc __P((vm_object_t, int));
95void swap_pager_copy __P((vm_object_t, vm_object_t, vm_pindex_t, int));
96void swap_pager_freespace __P((vm_object_t, vm_pindex_t, vm_size_t));
97void swap_pager_dmzspace __P((vm_object_t, vm_pindex_t, vm_size_t));
98void swap_pager_swap_init __P((void));
99
100/*
101 * newswap functions
102 */
103
104void swap_pager_page_removed __P((vm_page_t, vm_object_t));
105
106#endif
107
108#endif /* _SWAP_PAGER_ */
92boolean_t swap_pager_haspage __P((vm_object_t object, vm_pindex_t pindex, int *before, int *after));
93
94int swap_pager_swp_alloc __P((vm_object_t, int));
95void swap_pager_copy __P((vm_object_t, vm_object_t, vm_pindex_t, int));
96void swap_pager_freespace __P((vm_object_t, vm_pindex_t, vm_size_t));
97void swap_pager_dmzspace __P((vm_object_t, vm_pindex_t, vm_size_t));
98void swap_pager_swap_init __P((void));
99
100/*
101 * newswap functions
102 */
103
104void swap_pager_page_removed __P((vm_page_t, vm_object_t));
105
106#endif
107
108#endif /* _SWAP_PAGER_ */