usr/src/uts/common/sys/vm.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 1983, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  26 /*        All Rights Reserved   */
  27
  28 /*
  29  * University Copyright- Copyright (c) 1982, 1986, 1988
  30  * The Regents of the University of California
  31  * All Rights Reserved
  32  *
  33  * University Acknowledgment- Portions of this document are derived from
  34  * software developed by the University of California, Berkeley, and its
  35  * contributors.
  36  */
  37
  38 #ifndef _SYS_VM_H
  39 #define _SYS_VM_H
  40
  41 #include <sys/vmparam.h>
  42 #include <sys/vmsystm.h>
  43 #include <sys/sysmacros.h>
  44
  45 #ifdef  __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 #if defined(_KERNEL)
  50 #include <sys/vnode.h>
  51
  52 void    setupclock(void);
  53 void    pageout(void);
  54 void    cv_signal_pageout(void);
  55 int     queue_io_request(struct vnode *, u_offset_t);
  56
  57 extern  kmutex_t        memavail_lock;
  58 extern  kcondvar_t      memavail_cv;
  59
  60 #define WAKE_PAGEOUT_SCANNER(tag)                       \
  61         do {                                            \
  62                 DTRACE_PROBE(schedpage__wake__ ## tag); \
  63                 cv_broadcast(&proc_pageout->p_cv);      \
  64         } while (0)
  65
  66 #endif  /* defined(_KERNEL) */
  67
  68 #ifdef  __cplusplus
  69 }
  70 #endif
  71
  72 #endif  /* _SYS_VM_H */