minix/sys/uvm/uvm_pdpolicy.h

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/* $NetBSD: uvm_pdpolicy.h,v 1.3 2007/02/21 23:00:14 thorpej Exp $ */
/*-
* Copyright (c)2005, 2006 YAMAMOTO Takashi,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _UVM_PDPOLICY_H_
#define _UVM_PDPOLICY_H_
struct vm_page;
struct vm_anon;
/*
* these API is for uvm internal use only.
* don't use them directly from outside of /sys/uvm.
*/
void uvmpdpol_init(void);
void uvmpdpol_reinit(void);
void uvmpdpol_estimatepageable(int *, int *);
bool uvmpdpol_needsscan_p(void);
void uvmpdpol_pageactivate(struct vm_page *);
void uvmpdpol_pagedeactivate(struct vm_page *);
void uvmpdpol_pagedequeue(struct vm_page *);
void uvmpdpol_pageenqueue(struct vm_page *);
bool uvmpdpol_pageisqueued_p(struct vm_page *);
void uvmpdpol_anfree(struct vm_anon *);
void uvmpdpol_tune(void);
void uvmpdpol_scaninit(void);
struct vm_page *uvmpdpol_selectvictim(void);
void uvmpdpol_balancequeue(int);
void uvmpdpol_sysctlsetup(void);
#endif /* !_UVM_PDPOLICY_H_ */