1*6c8f7fc3SBen Gras /* $NetBSD: uvm_pdpolicy.h,v 1.3 2007/02/21 23:00:14 thorpej Exp $ */ 2*6c8f7fc3SBen Gras 3*6c8f7fc3SBen Gras /*- 4*6c8f7fc3SBen Gras * Copyright (c)2005, 2006 YAMAMOTO Takashi, 5*6c8f7fc3SBen Gras * All rights reserved. 6*6c8f7fc3SBen Gras * 7*6c8f7fc3SBen Gras * Redistribution and use in source and binary forms, with or without 8*6c8f7fc3SBen Gras * modification, are permitted provided that the following conditions 9*6c8f7fc3SBen Gras * are met: 10*6c8f7fc3SBen Gras * 1. Redistributions of source code must retain the above copyright 11*6c8f7fc3SBen Gras * notice, this list of conditions and the following disclaimer. 12*6c8f7fc3SBen Gras * 2. Redistributions in binary form must reproduce the above copyright 13*6c8f7fc3SBen Gras * notice, this list of conditions and the following disclaimer in the 14*6c8f7fc3SBen Gras * documentation and/or other materials provided with the distribution. 15*6c8f7fc3SBen Gras * 16*6c8f7fc3SBen Gras * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*6c8f7fc3SBen Gras * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*6c8f7fc3SBen Gras * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*6c8f7fc3SBen Gras * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*6c8f7fc3SBen Gras * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*6c8f7fc3SBen Gras * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*6c8f7fc3SBen Gras * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*6c8f7fc3SBen Gras * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*6c8f7fc3SBen Gras * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*6c8f7fc3SBen Gras * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*6c8f7fc3SBen Gras * SUCH DAMAGE. 27*6c8f7fc3SBen Gras */ 28*6c8f7fc3SBen Gras 29*6c8f7fc3SBen Gras #ifndef _UVM_PDPOLICY_H_ 30*6c8f7fc3SBen Gras #define _UVM_PDPOLICY_H_ 31*6c8f7fc3SBen Gras 32*6c8f7fc3SBen Gras struct vm_page; 33*6c8f7fc3SBen Gras struct vm_anon; 34*6c8f7fc3SBen Gras 35*6c8f7fc3SBen Gras /* 36*6c8f7fc3SBen Gras * these API is for uvm internal use only. 37*6c8f7fc3SBen Gras * don't use them directly from outside of /sys/uvm. 38*6c8f7fc3SBen Gras */ 39*6c8f7fc3SBen Gras 40*6c8f7fc3SBen Gras void uvmpdpol_init(void); 41*6c8f7fc3SBen Gras void uvmpdpol_reinit(void); 42*6c8f7fc3SBen Gras void uvmpdpol_estimatepageable(int *, int *); 43*6c8f7fc3SBen Gras bool uvmpdpol_needsscan_p(void); 44*6c8f7fc3SBen Gras 45*6c8f7fc3SBen Gras void uvmpdpol_pageactivate(struct vm_page *); 46*6c8f7fc3SBen Gras void uvmpdpol_pagedeactivate(struct vm_page *); 47*6c8f7fc3SBen Gras void uvmpdpol_pagedequeue(struct vm_page *); 48*6c8f7fc3SBen Gras void uvmpdpol_pageenqueue(struct vm_page *); 49*6c8f7fc3SBen Gras bool uvmpdpol_pageisqueued_p(struct vm_page *); 50*6c8f7fc3SBen Gras void uvmpdpol_anfree(struct vm_anon *); 51*6c8f7fc3SBen Gras 52*6c8f7fc3SBen Gras void uvmpdpol_tune(void); 53*6c8f7fc3SBen Gras void uvmpdpol_scaninit(void); 54*6c8f7fc3SBen Gras struct vm_page *uvmpdpol_selectvictim(void); 55*6c8f7fc3SBen Gras void uvmpdpol_balancequeue(int); 56*6c8f7fc3SBen Gras 57*6c8f7fc3SBen Gras void uvmpdpol_sysctlsetup(void); 58*6c8f7fc3SBen Gras 59*6c8f7fc3SBen Gras #endif /* !_UVM_PDPOLICY_H_ */ 60