The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/vm/vm_radix.h

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    1 /*
    2  * Copyright (c) 2013 EMC Corp.
    3  * Copyright (c) 2011 Jeffrey Roberson <jeff@freebsd.org>
    4  * Copyright (c) 2008 Mayur Shardul <mayur.shardul@gmail.com>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: releng/10.0/sys/vm/vm_radix.h 254719 2013-08-23 17:27:12Z alc $
   29  */
   30 
   31 #ifndef _VM_RADIX_H_
   32 #define _VM_RADIX_H_
   33 
   34 #include <vm/_vm_radix.h>
   35 
   36 #ifdef _KERNEL
   37 
   38 void            vm_radix_init(void);
   39 int             vm_radix_insert(struct vm_radix *rtree, vm_page_t page);
   40 boolean_t       vm_radix_is_singleton(struct vm_radix *rtree);
   41 vm_page_t       vm_radix_lookup(struct vm_radix *rtree, vm_pindex_t index);
   42 vm_page_t       vm_radix_lookup_ge(struct vm_radix *rtree, vm_pindex_t index);
   43 vm_page_t       vm_radix_lookup_le(struct vm_radix *rtree, vm_pindex_t index);
   44 void            vm_radix_reclaim_allnodes(struct vm_radix *rtree);
   45 void            vm_radix_remove(struct vm_radix *rtree, vm_pindex_t index);
   46 vm_page_t       vm_radix_replace(struct vm_radix *rtree, vm_page_t newpage,
   47                     vm_pindex_t index);
   48 
   49 #endif /* _KERNEL */
   50 #endif /* !_VM_RADIX_H_ */

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