xref: /freebsd/sys/contrib/openzfs/lib/libspl/page.c (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
1*eda14cbcSMatt Macy /*
2*eda14cbcSMatt Macy  * CDDL HEADER START
3*eda14cbcSMatt Macy  *
4*eda14cbcSMatt Macy  * The contents of this file are subject to the terms of the
5*eda14cbcSMatt Macy  * Common Development and Distribution License, Version 1.0 only
6*eda14cbcSMatt Macy  * (the "License").  You may not use this file except in compliance
7*eda14cbcSMatt Macy  * with the License.
8*eda14cbcSMatt Macy  *
9*eda14cbcSMatt Macy  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*eda14cbcSMatt Macy  * or http://www.opensolaris.org/os/licensing.
11*eda14cbcSMatt Macy  * See the License for the specific language governing permissions
12*eda14cbcSMatt Macy  * and limitations under the License.
13*eda14cbcSMatt Macy  *
14*eda14cbcSMatt Macy  * When distributing Covered Code, include this CDDL HEADER in each
15*eda14cbcSMatt Macy  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*eda14cbcSMatt Macy  * If applicable, add the following below this CDDL HEADER, with the
17*eda14cbcSMatt Macy  * fields enclosed by brackets "[]" replaced with your own identifying
18*eda14cbcSMatt Macy  * information: Portions Copyright [yyyy] [name of copyright owner]
19*eda14cbcSMatt Macy  *
20*eda14cbcSMatt Macy  * CDDL HEADER END
21*eda14cbcSMatt Macy  */
22*eda14cbcSMatt Macy 
23*eda14cbcSMatt Macy #include <unistd.h>
24*eda14cbcSMatt Macy 
25*eda14cbcSMatt Macy size_t pagesize = 0;
26*eda14cbcSMatt Macy 
27*eda14cbcSMatt Macy size_t
28*eda14cbcSMatt Macy spl_pagesize(void)
29*eda14cbcSMatt Macy {
30*eda14cbcSMatt Macy 	if (pagesize == 0)
31*eda14cbcSMatt Macy 		pagesize = sysconf(_SC_PAGESIZE);
32*eda14cbcSMatt Macy 
33*eda14cbcSMatt Macy 	return (pagesize);
34*eda14cbcSMatt Macy }
35