freebsd-dev/sys/vm/vm_domainset.h

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2017, Jeffrey Roberson <jeff@freebsd.org>
* 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 unmodified, 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 ``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 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.
*
* $FreeBSD$
*/
#ifndef __VM_DOMAINSET_H__
#define __VM_DOMAINSET_H__
struct vm_domainset_iter {
struct domainset *di_domain;
unsigned int *di_iter;
vm_pindex_t di_offset;
int di_flags;
uint16_t di_policy;
domainid_t di_n;
bool di_minskip;
};
int vm_domainset_iter_page(struct vm_domainset_iter *, struct vm_object *,
int *);
void vm_domainset_iter_page_init(struct vm_domainset_iter *,
struct vm_object *, vm_pindex_t, int *, int *);
int vm_domainset_iter_policy(struct vm_domainset_iter *, int *);
void vm_domainset_iter_policy_init(struct vm_domainset_iter *,
struct domainset *, int *, int *);
void vm_domainset_iter_policy_ref_init(struct vm_domainset_iter *,
struct domainset_ref *, int *, int *);
void vm_wait_doms(const domainset_t *);
#endif /* __VM_DOMAINSET_H__ */