xref: /netbsd-src/sys/uvm/uvm_pgflcache.h (revision 9b1e2fa25ce17b5001c934b4c525234ac0ad9211)
1 /*	$NetBSD: uvm_pgflcache.h,v 1.1 2019/12/27 12:51:57 ad Exp $	*/
2 
3 /*-
4  * Copyright (c) 2019 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Andrew Doran.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #if !defined(_UVM_PGFLCACHE_H_)
33 #define	_UVM_PGFLCACHE_H_
34 
35 struct vm_page	*uvm_pgflcache_alloc(struct uvm_cpu *, int, int);
36 void		uvm_pgflcache_fill(struct uvm_cpu *, int, int, int);
37 bool		uvm_pgflcache_free(struct uvm_cpu *, struct vm_page *);
38 void		uvm_pgflcache_init(void);
39 void		uvm_pgflcache_pause(void);
40 void		uvm_pgflcache_resume(void);
41 void		uvm_pgflcache_start(void);
42 
43 #endif /* !_UVM_PGFLCACHE_H_ */
44