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vm_pageout.h (1817) vm_pageout.h (2112)
1/*
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without

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56 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
57 * School of Computer Science
58 * Carnegie Mellon University
59 * Pittsburgh PA 15213-3890
60 *
61 * any improvements or extensions that they make and grant Carnegie the
62 * rights to redistribute these changes.
63 *
1/*
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 47 unchanged lines hidden (view full) ---

56 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
57 * School of Computer Science
58 * Carnegie Mellon University
59 * Pittsburgh PA 15213-3890
60 *
61 * any improvements or extensions that they make and grant Carnegie the
62 * rights to redistribute these changes.
63 *
64 * $Id$
64 * $Id: vm_pageout.h,v 1.3 1994/08/02 07:55:34 davidg Exp $
65 */
66
67/*
68 * Header file for pageout daemon.
69 */
70
71/*
72 * Exported data structures.

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86
87/*
88 * Signal pageout-daemon and wait for it.
89 */
90
91#define VM_WAIT vm_wait()
92
93inline static void vm_wait() {
65 */
66
67/*
68 * Header file for pageout daemon.
69 */
70
71/*
72 * Exported data structures.

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86
87/*
88 * Signal pageout-daemon and wait for it.
89 */
90
91#define VM_WAIT vm_wait()
92
93inline static void vm_wait() {
94 extern struct proc *curproc, *pageproc;
95 int s;
96 s = splhigh();
97 if (curproc == pageproc) {
98 vm_pageout_pages_needed = 1;
99 tsleep((caddr_t) &vm_pageout_pages_needed, PSWP, "vmwait", 0);
100 vm_pageout_pages_needed = 0;
101 } else {
102 wakeup((caddr_t) &vm_pages_needed);
103 tsleep((caddr_t) &cnt.v_free_count, PVM, "vmwait", 0);
104 }
105 splx(s);
106}
107
108
109#ifdef KERNEL
94 int s;
95 s = splhigh();
96 if (curproc == pageproc) {
97 vm_pageout_pages_needed = 1;
98 tsleep((caddr_t) &vm_pageout_pages_needed, PSWP, "vmwait", 0);
99 vm_pageout_pages_needed = 0;
100 } else {
101 wakeup((caddr_t) &vm_pages_needed);
102 tsleep((caddr_t) &cnt.v_free_count, PVM, "vmwait", 0);
103 }
104 splx(s);
105}
106
107
108#ifdef KERNEL
110void vm_pageout __P((void));
111int vm_pageout_scan __P((void));
112void vm_pageout_page __P((vm_page_t, vm_object_t));
113void vm_pageout_cluster __P((vm_page_t, vm_object_t));
114#endif
109int vm_pageout_scan __P((void));
110void vm_pageout_page __P((vm_page_t, vm_object_t));
111void vm_pageout_cluster __P((vm_page_t, vm_object_t));
112#endif