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Annotation of sys/uvm/uvm_loan.h, Revision 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_ */