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Annotation of sys/uvm/uvm_loan.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: uvm_loan.h,v 1.7 2002/03/14 01:27:18 millert Exp $    */
                      2: /*     $NetBSD: uvm_loan.h,v 1.7 1999/06/21 17:25:11 thorpej Exp $     */
                      3:
                      4: /*
                      5:  *
                      6:  * Copyright (c) 1997 Charles D. Cranor and Washington University.
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. All advertising materials mentioning features or use of this software
                     18:  *    must display the following acknowledgement:
                     19:  *      This product includes software developed by Charles D. Cranor and
                     20:  *      Washington University.
                     21:  * 4. The name of the author may not be used to endorse or promote products
                     22:  *    derived from this software without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     25:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     26:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     27:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     28:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     29:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     30:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     31:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     32:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     33:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     34:  *
                     35:  * from: Id: uvm_loan.h,v 1.1.4.1 1997/12/08 16:07:14 chuck Exp
                     36:  */
                     37:
                     38: #ifndef _UVM_UVM_LOAN_H_
                     39: #define _UVM_UVM_LOAN_H_
                     40:
                     41: #ifdef _KERNEL
                     42:
                     43: /*
                     44:  * flags for uvm_loan
                     45:  */
                     46:
                     47: #define UVM_LOAN_TOANON                0x1             /* loan to anon */
                     48: #define UVM_LOAN_TOPAGE                0x2             /* loan to page */
                     49:
                     50: /*
                     51:  * loan prototypes
                     52:  */
                     53:
                     54: int uvm_loan(struct vm_map *, vaddr_t, vsize_t, void **, int);
                     55: void uvm_unloananon(struct vm_anon **, int);
                     56: void uvm_unloanpage(struct vm_page **, int);
                     57:
                     58: #endif /* _KERNEL */
                     59:
                     60: #endif /* _UVM_UVM_LOAN_H_ */