diff options
Diffstat (limited to 'usr/src/uts/common/sys/fs/swapnode.h')
| -rw-r--r-- | usr/src/uts/common/sys/fs/swapnode.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/fs/swapnode.h b/usr/src/uts/common/sys/fs/swapnode.h new file mode 100644 index 0000000000..08a94de274 --- /dev/null +++ b/usr/src/uts/common/sys/fs/swapnode.h @@ -0,0 +1,72 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + + +#ifndef _SYS_FS_SWAPNODE_H +#define _SYS_FS_SWAPNODE_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * pointer to swapfs global data structures + */ +extern pgcnt_t swapfs_minfree; /* amount of availrmem (in pages) */ + /* that is unavailable to swapfs */ +extern pgcnt_t swapfs_desfree; + +extern pgcnt_t swapfs_reserve; /* amount of availrmem (in pages) */ + /* that is unavailable for swap */ + /* reservation to non-priv processes */ + +extern struct vnodeops *swap_vnodeops; +extern struct vnode *swapfs_getvp(ulong_t); + +#ifdef SWAPFS_DEBUG +extern int swapfs_debug; +#define SWAPFS_PRINT(X, S, Y1, Y2, Y3, Y4, Y5) \ + if (swapfs_debug & (X)) \ + printf(S, Y1, Y2, Y3, Y4, Y5); +#define SWAP_SUBR 0x01 +#define SWAP_VOPS 0x02 +#define SWAP_VFSOPS 0x04 +#define SWAP_PGC 0x08 +#define SWAP_PUTP 0x10 +#else /* SWAPFS_DEBUG */ +#define SWAPFS_PRINT(X, S, Y1, Y2, Y3, Y4, Y5) +#endif /* SWAPFS_DEBUG */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_SWAPNODE_H */ |