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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/vm/vm_kern.h
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/*-

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 * SPDX-License-Identifier: (BSD-3-Clause AND MIT-CMU)

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 *

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 * Copyright (c) 1991, 1993

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 *	The Regents of the University of California.  All rights reserved.

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 *

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 * This code is derived from software contributed to Berkeley by

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 * The Mach Operating System project at Carnegie-Mellon University.

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions and the following disclaimer.

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 * 2. Redistributions in binary form must reproduce the above copyright

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 *    notice, this list of conditions and the following disclaimer in the

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 *    documentation and/or other materials provided with the distribution.

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 * 3. Neither the name of the University nor the names of its contributors

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 *    may be used to endorse or promote products derived from this software

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 *    without specific prior written permission.

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 *

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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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 * SUCH DAMAGE.

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 *

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 *

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 * Copyright (c) 1987, 1990 Carnegie-Mellon University.

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 * All rights reserved.

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 *

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 * Authors: Avadis Tevanian, Jr., Michael Wayne Young

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 *

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 * Permission to use, copy, modify and distribute this software and

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 * its documentation is hereby granted, provided that both the copyright

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 * notice and this permission notice appear in all copies of the

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 * software, derivative works or modified versions, and any portions

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 * thereof, and that both notices appear in supporting documentation.

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 *

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 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"

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 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND

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 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.

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 *

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 * Carnegie Mellon requests users of this software to return to

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 *

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 *  Software Distribution Coordinator  or  [email protected]

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 *  School of Computer Science

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 *  Carnegie Mellon University

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 *  Pittsburgh PA 15213-3890

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 *

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 * any improvements or extensions that they make and grant Carnegie the

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 * rights to redistribute these changes.

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 */

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#ifndef _VM_VM_KERN_H_

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#define	_VM_VM_KERN_H_

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/* Kernel memory management definitions. */

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extern struct vm_map kernel_map_store;

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#define	kernel_map	(&kernel_map_store)

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extern struct vm_map exec_map_store;

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#define	exec_map	(&exec_map_store)

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extern struct vm_map pipe_map_store;

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#define	pipe_map	(&pipe_map_store)

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extern struct vmem *kernel_arena;

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extern struct vmem *buffer_arena;

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extern struct vmem *transient_arena;

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extern struct vmem *memguard_arena;

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extern u_long vm_kmem_size;

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extern u_int exec_map_entries;

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extern u_int exec_map_entry_size;

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#endif /* _VM_VM_KERN_H_ */

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