1 /*

     2  * CDDL HEADER START

     3  *

     4  * The contents of this file are subject to the terms of the

     5  * Common Development and Distribution License, Version 1.0 only

     6  * (the "License").  You may not use this file except in compliance

     7  * with the License.

     8  *

     9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

    10  * or http://www.opensolaris.org/os/licensing.

    11  * See the License for the specific language governing permissions

    12  * and limitations under the License.

    13  *

    14  * When distributing Covered Code, include this CDDL HEADER in each

    15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

    16  * If applicable, add the following below this CDDL HEADER, with the

    17  * fields enclosed by brackets "[]" replaced with your own identifying

    18  * information: Portions Copyright [yyyy] [name of copyright owner]

    19  *

    20  * CDDL HEADER END

    21  */

    22 /*

    23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.

    24  * Use is subject to license terms.

    25  */

    26 

    27 #pragma ident	"%Z%%M%	%I%	%E% SMI"

    28 

    29 #pragma weak madvise = _madvise

    30 

    31 #include "synonyms.h"

    32 #include <sys/types.h>

    33 #include <sys/mman.h>

    34 

    35 /*

    36  * Function to provide advise to vm system to optimize its

    37  * management of the memory resources of a particular application.

    38  */

    39 int

    40 madvise(caddr_t addr, size_t len, int advice)

    41 {

    42 	return (memcntl(addr, len, MC_ADVISE, (caddr_t)(intptr_t)advice, 0, 0));

    43 }