xref: /freebsd/sys/contrib/openzfs/lib/libspl/page.c (revision 271171e0d97b88ba2a7c3bf750c9672b484c1c13)
1eda14cbcSMatt Macy /*
2eda14cbcSMatt Macy  * CDDL HEADER START
3eda14cbcSMatt Macy  *
4eda14cbcSMatt Macy  * The contents of this file are subject to the terms of the
5eda14cbcSMatt Macy  * Common Development and Distribution License, Version 1.0 only
6eda14cbcSMatt Macy  * (the "License").  You may not use this file except in compliance
7eda14cbcSMatt Macy  * with the License.
8eda14cbcSMatt Macy  *
9eda14cbcSMatt Macy  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*271171e0SMartin Matuska  * or https://opensource.org/licenses/CDDL-1.0.
11eda14cbcSMatt Macy  * See the License for the specific language governing permissions
12eda14cbcSMatt Macy  * and limitations under the License.
13eda14cbcSMatt Macy  *
14eda14cbcSMatt Macy  * When distributing Covered Code, include this CDDL HEADER in each
15eda14cbcSMatt Macy  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16eda14cbcSMatt Macy  * If applicable, add the following below this CDDL HEADER, with the
17eda14cbcSMatt Macy  * fields enclosed by brackets "[]" replaced with your own identifying
18eda14cbcSMatt Macy  * information: Portions Copyright [yyyy] [name of copyright owner]
19eda14cbcSMatt Macy  *
20eda14cbcSMatt Macy  * CDDL HEADER END
21eda14cbcSMatt Macy  */
22eda14cbcSMatt Macy 
23eda14cbcSMatt Macy #include <unistd.h>
246ba2210eSMartin Matuska #include <sys/param.h>
25eda14cbcSMatt Macy 
2616038816SMartin Matuska static size_t pagesize = 0;
27eda14cbcSMatt Macy 
28eda14cbcSMatt Macy size_t
spl_pagesize(void)29eda14cbcSMatt Macy spl_pagesize(void)
30eda14cbcSMatt Macy {
31eda14cbcSMatt Macy 	if (pagesize == 0)
32eda14cbcSMatt Macy 		pagesize = sysconf(_SC_PAGESIZE);
33eda14cbcSMatt Macy 
34eda14cbcSMatt Macy 	return (pagesize);
35eda14cbcSMatt Macy }
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