vm_pager.h (a1c995b626fc56226f7c279f087b50769ff8df18) vm_pager.h (e7a5897899c7bc887604debef57ccd99a30557b7)
1/*
2 * Copyright (c) 1990 University of Utah.
3 * Copyright (c) 1991, 1993
4 * The Regents of the University of California. 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 * @(#)vm_pager.h 8.4 (Berkeley) 1/12/94
1/*
2 * Copyright (c) 1990 University of Utah.
3 * Copyright (c) 1991, 1993
4 * The Regents of the University of California. 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 * @(#)vm_pager.h 8.4 (Berkeley) 1/12/94
39 * $Id: vm_pager.h,v 1.13 1997/02/22 09:48:37 peter Exp $
39 * $Id: vm_pager.h,v 1.14 1997/10/12 20:26:32 phk Exp $
40 */
41
42/*
43 * Pager routine interface definition.
44 */
45
46#ifndef _VM_PAGER_
47#define _VM_PAGER_
48
40 */
41
42/*
43 * Pager routine interface definition.
44 */
45
46#ifndef _VM_PAGER_
47#define _VM_PAGER_
48
49#include <sys/queue.h>
50
49TAILQ_HEAD(pagerlst, vm_object);
50
51struct pagerops {
52 void (*pgo_init) __P((void)); /* Initialize pager. */
53 vm_object_t (*pgo_alloc) __P((void *, vm_size_t, vm_prot_t, vm_ooffset_t)); /* Allocate pager. */
54 void (*pgo_dealloc) __P((vm_object_t)); /* Disassociate. */
55 int (*pgo_getpages) __P((vm_object_t, vm_page_t *, int, int)); /* Get (read) page. */
56 int (*pgo_putpages) __P((vm_object_t, vm_page_t *, int, boolean_t, int *)); /* Put (write) page. */

--- 45 unchanged lines hidden --- 		51TAILQ_HEAD(pagerlst, vm_object);
52
53struct pagerops {
54 void (*pgo_init) __P((void)); /* Initialize pager. */
55 vm_object_t (*pgo_alloc) __P((void *, vm_size_t, vm_prot_t, vm_ooffset_t)); /* Allocate pager. */
56 void (*pgo_dealloc) __P((vm_object_t)); /* Disassociate. */
57 int (*pgo_getpages) __P((vm_object_t, vm_page_t *, int, int)); /* Get (read) page. */
58 int (*pgo_putpages) __P((vm_object_t, vm_page_t *, int, boolean_t, int *)); /* Put (write) page. */

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