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/*- * Copyright (c) 2002-2006 Rice University * Copyright (c) 2007-2008 Alan L. Cox <alc@cs.rice.edu> * All rights reserved. * * This software was developed for the FreeBSD Project by Alan L. Cox, * Olivier Crameri, Peter Druschel, Sitaram Iyer, and Juan Navarro. * * 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 COPYRIGHT HOLDERS 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 COPYRIGHT * HOLDERS 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. * * $FreeBSD: release/9.1.0/sys/vm/vm_reserv.h 177956 2008-04-06 18:09:28Z alc $ */ /* * Superpage reservation management definitions */ #ifndef _VM_RESERV_H_ #define _VM_RESERV_H_ #ifdef _KERNEL #if VM_NRESERVLEVEL > 0 vm_page_t vm_reserv_alloc_page(vm_object_t object, vm_pindex_t pindex); void vm_reserv_break_all(vm_object_t object); boolean_t vm_reserv_free_page(vm_page_t m); void vm_reserv_init(void); int vm_reserv_level_iffullpop(vm_page_t m); boolean_t vm_reserv_reactivate_page(vm_page_t m); boolean_t vm_reserv_reclaim_contig(vm_paddr_t size, vm_paddr_t low, vm_paddr_t high, unsigned long alignment, unsigned long boundary); boolean_t vm_reserv_reclaim_inactive(void); void vm_reserv_rename(vm_page_t m, vm_object_t new_object, vm_object_t old_object, vm_pindex_t old_object_offset); vm_paddr_t vm_reserv_startup(vm_offset_t *vaddr, vm_paddr_t end, vm_paddr_t high_water); #endif /* VM_NRESERVLEVEL > 0 */ #endif /* _KERNEL */ #endif /* !_VM_RESERV_H_ */