1 | /* $NetBSD: uvm_pdpolicy.h,v 1.3 2007/02/21 23:00:14 thorpej Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c)2005, 2006 YAMAMOTO Takashi, |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
26 | * SUCH DAMAGE. |
27 | */ |
28 | |
29 | #ifndef _UVM_PDPOLICY_H_ |
30 | #define _UVM_PDPOLICY_H_ |
31 | |
32 | struct vm_page; |
33 | struct vm_anon; |
34 | |
35 | /* |
36 | * these API is for uvm internal use only. |
37 | * don't use them directly from outside of /sys/uvm. |
38 | */ |
39 | |
40 | void uvmpdpol_init(void); |
41 | void uvmpdpol_reinit(void); |
42 | void uvmpdpol_estimatepageable(int *, int *); |
43 | bool uvmpdpol_needsscan_p(void); |
44 | |
45 | void uvmpdpol_pageactivate(struct vm_page *); |
46 | void uvmpdpol_pagedeactivate(struct vm_page *); |
47 | void uvmpdpol_pagedequeue(struct vm_page *); |
48 | void uvmpdpol_pageenqueue(struct vm_page *); |
49 | bool uvmpdpol_pageisqueued_p(struct vm_page *); |
50 | void uvmpdpol_anfree(struct vm_anon *); |
51 | |
52 | void uvmpdpol_tune(void); |
53 | void uvmpdpol_scaninit(void); |
54 | struct vm_page *uvmpdpol_selectvictim(void); |
55 | void uvmpdpol_balancequeue(int); |
56 | |
57 | void uvmpdpol_sysctlsetup(void); |
58 | |
59 | #endif /* !_UVM_PDPOLICY_H_ */ |
60 | |