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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2023, 2024, Klara Inc.
*/
#ifndef _ZFS_MM_COMPAT_H
#define _ZFS_MM_COMPAT_H
#include <linux/mm.h>
/* 5.4 introduced page_size(). Older kernels can use a trivial macro instead */
#ifndef HAVE_MM_PAGE_SIZE
#define page_size(p) ((unsigned long)(PAGE_SIZE << compound_order(p)))
#endif
#endif /* _ZFS_MM_COMPAT_H */
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