diff options
Diffstat (limited to 'sys/contrib/openzfs/include/os/linux/kernel/linux/mm_compat.h')
-rw-r--r-- | sys/contrib/openzfs/include/os/linux/kernel/linux/mm_compat.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/include/os/linux/kernel/linux/mm_compat.h b/sys/contrib/openzfs/include/os/linux/kernel/linux/mm_compat.h new file mode 100644 index 000000000000..40056c68d6dd --- /dev/null +++ b/sys/contrib/openzfs/include/os/linux/kernel/linux/mm_compat.h @@ -0,0 +1,36 @@ +/* + * 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 */ |