mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-27 11:55:06 +00:00
44aab2c3de
contigmalloc(9) as a last resort to steal pages from an inactive, partially-used superpage reservation. Rename vm_reserv_reclaim() to vm_reserv_reclaim_inactive() and refactor it so that a separate subroutine is responsible for breaking the selected reservation. This subroutine is also used by vm_reserv_reclaim_contig().
63 lines
2.5 KiB
C
63 lines
2.5 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* 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_ */
|